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Allylescaline

4-allyloxy-3,5-dimethoxyphenethylamine

Overview

Allylescaline (4-allyloxy-3,5-dimethoxyphenethylamine) is a synthetic psychedelic of the phenethylamine class. It is a close structural relative of mescaline, roughly ten times more potent.[1] It activates serotonin receptors in the brain, disrupting sensory filtering and producing the visual and cognitive shifts characteristic of phenethylamine psychedelics.[2]

Allylescaline (4-allyloxy-3,5-dimethoxyphenethylamine) is an emerging synthetic psychedelic of the phenethylamine class. It is a mescaline structural analog of the scaline series, distinguished by roughly ten-fold greater potency.[1] Allylescaline is a presumed 5-HT₂A receptor agonist, producing its effects by disrupting cortical sensory filtering and increasing neural excitability.[2]

Entity
Allylescaline
PSX-0095
Allylescaline 2D chemical structure
Open Beta

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NoticeAll →
•1 lethal interaction(all →)
Common namesAllylescaline, AL
Substitutive name3,5-dimethoxy-4-(allyloxy)phenethylamine
Threshold
< 15 mg
Light
20 – 30 mg
Common
30 – 40 mg
Strong
40 – 60 mg
Heavy
60+ mg
12340 h2 h4 h6 h8 h
1Onset
10m–1h2Come-up
30m–1.5h3Peak
2h–4h4Resolution
2h–4hAftereffects6h–24h
Total8h–12h
Builduprapid
Full reset7 days
Cross-tol.
LSD, psilocybin, mescaline +4 more
Absolute4 entries
Lithium therapyPsychotic disordersPregnancyMAOI therapy
Relative2 entries
Severe cardiovascular diseaseSeizure disorders
Dosage varies by body weight, tolerance & metabolism · Not medical advice · Terms
See an error? Suggest correction
See an error? Suggest correction

First synthesized by Otakar Leminger in 1972, allylescaline was described alongside four other novel phenethylamines in a single Czech-language paper.[1] Alexander Shulgin documented it as entry #2 in PiHKAL (1991), based on a handful of self-reports.[3] It reached European research chemical markets in 2013 and remains unscheduled in several jurisdictions.[4]

Subjective effects include color enhancement, rippling surfaces, stimulation, and heightened sociability.[3] The experience is clear-headed and warm — lighter in body load than Mescaline, with a bright, engaged mood at lower doses and more visual, introspective territory at higher ones. Insomnia, next-day cognitive fog, and perceptual unease are characteristic unwanted effects.[3]

Allylescaline does not produce physical dependence, and no toxic or lethal dose has been published.[5][2] The principal risks are psychological — anxiety, paranoia, and a duration long enough to become exhausting; MAOIs block the compound's breakdown, dramatically amplifying effects and raising blood pressure to dangerous levels. It is among the least-studied psychoactive phenethylamines — what is known rests on a handful of self-reports, with no clinical research.[6]

History[edit]

Discovery

Otakar Leminger, a Czechoslovakian industrial chemist, first synthesized allylescaline in 1972 and published his findings upon retirement in the Czech journal Chemický průmysl.[1] His paper described five novel phenethylamines; allylescaline was singled out as the most active.[6] His self-experiments at 20 mg documented vertigo, warm color perception, object plasticity, and colorful closed-eye imagery lasting beyond 12 hours.[3]

PiHKAL documentation

Leminger's work reached Alexander Shulgin through a researcher named Stanislov Wistupkin.[6] Shulgin documented allylescaline as entry #2 — code AL — in PiHKAL (1991), based on self-reports at 24 mg and 35 mg describing rapid onset, clear-headedness, and social fluidity.[3]

Research chemical era

Allylescaline appeared on the European research chemical market around 2013 and was notified to the EMCDDA.[4] In 2015, NMR analysis confirmed the structural identity of commercially sold samples.[7] No clinical or academic pharmacological research has followed.

Chemistry[edit]

Structural class

Allylescaline belongs to the scaline subclass of phenethylamines — a family of mescaline analogues that keep the 3,5-dimethoxy pattern while varying the 4-position ether group.[1] Its molecular formula is C₁₃H₁₉NO₃ (237.29 g/mol as free base), and the defining structural feature is an allyloxy group at the 4-position — a short carbon chain ending in a double bond.[8][9]

That double bond distinguishes allylescaline from the other scalines — escaline, proscaline, isoproscaline — which all carry saturated ether chains at the 4-position. Within the scaline family, larger 4-position substituents produce greater potency than mescaline.[1][10] The 3,5-methoxy groups flanking the ring are structurally critical — restricting their rotation eliminates activity entirely.[11]

Pharmacology[edit]

Mechanism of action

No binding data exist for allylescaline — all mechanistic statements are inferred from its structural class. Allylescaline is presumed to activate serotonin receptors on neurons in the prefrontal cortex,[2] following the pattern of mescaline, which is a full agonist at these same receptors.[11] This activation increases excitatory signaling in higher brain regions — the likely basis of the psychedelic effects.

Pharmacokinetics

Oral ingestion is the only documented route; no pharmacokinetic data exist for allylescaline in any species. The first controlled pharmacokinetic study of oral mescaline in humans was published only in 2025.[12] Liver enzymes — including CYP3A4 and CYP2D6 — are the primary metabolic pathway for structurally related phenethylamines.[13]

The allyloxy double bond may be converted into a reactive intermediate during breakdown — a potential concern unique to allylescaline among the scalines. No metabolic studies have been conducted, and no half-life or elimination data exist.

Neuroscience[edit]

Where it acts

Allylescaline is expected to act on the prefrontal cortex and associated brain networks.[2] Serotonin receptor activation disrupts the brain's sensory filtering — the process that normally limits which signals reach conscious awareness. More raw sensory data gets through, producing the loosened perception, heightened pattern recognition, and altered sense of self characteristic of psychedelic states.

Why it matters

One leading framework — the REBUS model — proposes that psychedelics reduce the brain's reliance on learned expectations, giving raw sensory input more influence over perception. Allylescaline's reported effects — color enhancement, surface breathing, object plasticity[1] — fit this pattern well. Whether allylescaline also promotes structural changes in neurons, as some psychedelics do, is unknown.

Subjective Effects[edit]

Summary

The allylescaline experience is dominated by a clear-headed, warm stimulation. Colors sharpen, surfaces seem to ripple, and the mood becomes bright and social. At higher doses the experience becomes more visual and introspective, but it retains a cognitive transparency that sets it apart from heavier classical psychedelics.

Within the scaline family, allylescaline sits above escaline and proscaline in potency and reportedly offers more cognitive clarity. Compared to mescaline, it shares the characteristic warmth and color enhancement but appears to lack the pronounced body load and nausea — though this comes from fewer than five documented exposures.

First synthesized by Otakar Leminger in 1972, allylescaline was one of five novel phenethylamines described in a single Czech-language paper.[1] Alexander Shulgin documented it as entry #2 in PiHKAL (1991), establishing the compound's active dose range from a handful of self-reports.[3] The compound appeared on European research chemical markets in 2013[4] and remains unscheduled in several major jurisdictions.

Subjective effects include color enhancement, surface-level visual distortions, stimulation, and enhanced sociability.[3] The experience is characterized by a clear-headed, warm quality at lower doses — a phenethylamine glow with more cognitive transparency than Mescaline and less somatic weight. Insomnia, next-day cognitive fog, and dose-dependent perceptual unease are characteristic unsought effects.[3]

Allylescaline is not expected to produce physical dependence,[2] and no toxic dose or adverse event case report has been published.[5] The principal risks are psychological — anxiety, paranoia, and perceptual disturbance scaling with dose — compounded by a prolonged duration that commits the user to an extended altered state. No binding data, pharmacokinetic studies, or clinical trials exist;[6] allylescaline remains one of the least characterized psychoactive phenethylamines in the literature.

History[edit]

Discovery

Allylescaline was first synthesized by Otakar Leminger, a Czechoslovakian industrial chemist, who published his findings upon retirement in a 1972 paper in the Czech journal Chemický průmysl.[1] The paper described five novel phenethylamines — allylescaline, proscaline, escaline, MAPEA, and MEPEA — with allylescaline singled out as the most active.[6] Leminger's self-experiments at 20 mg documented vertigo, warm color perception, object plasticity, and colorful closed-eye imagery lasting beyond 12 hours.[3]

PiHKAL documentation

Leminger's work reached Alexander Shulgin roughly a decade later through a researcher named Stanislov Wistupkin.[6] Shulgin included allylescaline as entry #2 (code AL) in PiHKAL (1991), documenting three qualitative self-reports at doses of 24 mg and 35 mg that described rapid onset, clear-headedness, and social fluidity, with a dissociative quality and next-day hangover at the upper end of the range.[3]

Research chemical era

Allylescaline appeared on the European research chemical market circa 2013 and was notified to the EMCDDA.[4] In 2015, Chapman and Avanes published NMR characterization of grey-market samples, confirming the structural identity of commercially circulating material.[7] No clinical or academic pharmacological research has followed.

Chemistry[edit]

Structural class

Allylescaline belongs to the scaline subclass of substituted phenethylamines — mescaline analogues that retain the 3,5-dimethoxy substitution pattern while replacing mescaline's 4-methoxy group with a variable ether at the para position. The scaline series includes escaline (4-ethyloxy), proscaline (4-propyloxy), isoproscaline (4-isopropyloxy), and allylescaline (4-allyloxy).

The allyl group introduces a terminal alkene (C=C double bond) absent in the saturated-chain scalines. This increases lipophilicity and creates a potential metabolic vulnerability at the double bond — a feature unique to allylescaline among its series.

Molecular properties

Molecular formulaC₁₃H₁₉NO₃
Molecular weight237.29 g/mol (free base); 273.8 g/mol (HCl salt)

The core structure is a phenethylamine backbone with methoxy groups at positions 3 and 5 and a prop-2-en-1-yloxy (allyloxy) group at position 4.[8][9] The allyloxy group's terminal alkene is the defining structural feature relative to other scalines.

Stereochemistry

Allylescaline is achiral. The molecule contains no stereogenic centers — the ethylamine side chain bears no α-substituent, and the allyloxy ether is symmetric about its attachment point. Unlike amphetamine-class phenethylamines, scaline-class compounds exist as single constitutional isomers without enantiomeric pairs.

Structure-activity relationships

Within the scaline series, increasing the size and lipophilicity of the 4-position substituent generally enhances potency relative to mescaline.[1] The 3,5-methoxy groups must remain conformationally mobile for receptor activation — restricting their rotation abolishes activity.[10] The 4-position tolerates structural variation, a feature predicted by mescaline analogue structure-activity data.[11]

The hydrochloride salt is a crystalline solid.[5] No melting point, formal solubility, or stability data have been published.

Pharmacology[edit]

Mechanism of action

No published binding data exist for allylescaline at any receptor. All mechanistic statements are inferred from its structural class.

As a 3,5-dimethoxy-4-substituted phenethylamine, allylescaline is presumed to act primarily as an agonist at serotonin 5-HT₂A receptors on neurons in the prefrontal cortex.[2] Activation of these receptors increases cortical glutamate release, amplifying excitatory signaling in higher brain regions.[2] Secondary activity at 5-HT₂C receptors is inferred from mescaline's pharmacology.

The parent compound mescaline functions as a full agonist at 5-HT₂A receptors.[10] The allyloxy substituent's greater lipophilicity compared to escaline's ethyloxy and proscaline's propyloxy groups may contribute to enhanced brain penetration or receptor affinity, but this remains untested.

Pharmacokinetics

No pharmacokinetic data exist for allylescaline in any species. All parameters below are inferred from mescaline and related compounds.

Oral administration is the sole documented route. Mescaline is well absorbed from the gut; the first controlled pharmacokinetic study of oral mescaline in humans was published in 2025.[12]

Dimethoxyphenethylamines are primarily broken down through oxidative deamination and liver enzyme-mediated demethylation. For structurally related compounds in the NBOMe series, CYP3A4 and CYP2D6 have been identified as the principal metabolic enzymes.[13] The allyloxy group introduces a metabolic vulnerability at its terminal double bond — liver enzymes may convert it to a reactive intermediate — but no metabolic studies have been conducted.

No elimination data (half-life, clearance, urinary recovery) have been published. The prolonged subjective duration may reflect slow breakdown, extended receptor binding, or both.

Neuroscience[edit]

Where it acts

As a presumed serotonin 2A receptor agonist, allylescaline is expected to act on the prefrontal cortex and associated networks.[2] Activation of serotonin receptors on cortical neurons disrupts the brain's sensory gating — the filtering process that normally limits which information reaches conscious awareness — while increasing communication between brain regions that do not ordinarily interact. These changes underlie the perceptual loosening, heightened pattern recognition, and altered sense of self characteristic of psychedelic states.

Why it matters

The REBUS (Relaxed Beliefs Under Psychedelics) model offers the most explanatory framework: psychedelics reduce the brain's reliance on learned expectations, allowing raw sensory data greater influence over perception. Allylescaline's reported effects — enhanced color, surface breathing, object plasticity[1] — are consistent with this relaxation of top-down processing. Serotonergic psychedelics also promote structural changes in neurons via growth factor signaling, a property termed psychoplastogenesis — whether allylescaline shares this property is unknown.

Subjective Effects[edit]

Summary

The allylescaline experience is defined by a clear-headed, stimulating warmth at lower doses that distinguishes it from the heavier body load of mescaline. At threshold and low doses the effect is predominantly social and communicative — enhanced verbal fluency and a bright, engaged mood — while higher doses tilt the balance toward introspective visual territory with surface breathing, object plasticity, and closed-eye imagery. Set and setting exert outsized influence on which mode predominates; published reports at identical doses diverge sharply on this axis.

Within the scaline series, allylescaline occupies a position of greater potency and cognitive clarity relative to escaline and proscaline. It shares the phenethylamine warmth and color enhancement of mescaline but reportedly lacks the pronounced nausea and bodily heaviness — though this observation derives from fewer than five documented exposures and awaits systematic confirmation.

Effect Grid

Dose Level:
Description

A moderate psychedelic state with emergent visual phenomena: color enhancement intensifies, surfaces may exhibit visual breathing, and closed-eye imagery becomes possible. Cognitive effects deepen — conceptual thinking, novelty enhancement, and pattern recognition enhancement become noticeable. Sociability and emotional enhancement are pronounced.

Stimulation is sustained throughout the 8–12 hour duration. Pupil dilation is evident. Mild muscle tension and occasional nausea may occur during the come-up phase. Heart rate may be slightly elevated.

Full functional impairment should be assumed. Sleep is impossible for 8+ hours following ingestion. Doses above 35 mg have no published human safety data.

Modeled from the effect's dose-dependence curve — not per-substance measurements.

Perception(40)likelihood · intensity
Color enhancement
likely
Color alteration
likely
Visual drifting
likely
Geometry
likely
Brightness alteration
possible
Music enhancement
possible
Environmental patterning
possible
Visual breathing
possible
Light sensitivity
possible

Music enhancement · Environmental patterning · Visual breathing · Light sensitivity · Holotropic state · Perspective distortion · Symmetrical texture repetition · Tracers · Touch enhancement · Depth perception distortion · Visual morphing · Auditory enhancement · Peripheral vision distortion · Sound sensitivity · After-images · Visual diffraction · Visual melting · Visual haze / noise · Auditory distortion · Auditory misinterpretation · Peripheral misidentification · Spatial disorientation · Proprioceptive distortion · Visual acuity enhancement · Synesthesia · Vestibular distortion · Dreaming enhancement · Object transformations · Internal hallucinations · Visual recursion · External hallucinations · Object activation · Perspective hallucinations · Environmental orbism / cubism · Auditory hallucinations

Holotropic state · Perspective distortion · Symmetrical texture repetition · Tracers · Touch enhancement · Depth perception distortion · Visual morphing · Auditory enhancement · Peripheral vision distortion · Sound sensitivity · After-images · Visual diffraction · Visual melting · Visual haze / noise · Auditory distortion · Auditory misinterpretation · Peripheral misidentification · Spatial disorientation · Proprioceptive distortion · Visual acuity enhancement · Synesthesia · Vestibular distortion · Dreaming enhancement · Object transformations · Internal hallucinations · Visual recursion · External hallucinations · Object activation · Perspective hallucinations · Environmental orbism / cubism · Auditory hallucinations

Body(28)likelihood · intensity
Pupil dilation
likely
Stimulation
possible
Nausea
possible
Body high
possible
Spontaneous body sensations
possible
Muscle tension
possible
Temperature dysregulation!
possible
Motor control impairment!
possible
Abnormal heartbeat!
rare

Body high · Spontaneous body sensations · Muscle tension · Appetite suppression · Vibrations / buzzing · Tingling / electric sensations · Insomnia · Wakefulness · Restlessness · Excessive sweating · Dry mouth · Dizziness · Physical fatigue · Heart rate perception changes · Laughter fits · Tactile euphoria · Body schema distortion · Sexual arousal enhancement · Involuntary body movements · Bodily lightness · Abnormal heartbeat · Vomiting · Trembling

Appetite suppression · Vibrations / buzzing · Tingling / electric sensations · Insomnia · Wakefulness · Restlessness · Excessive sweating · Dry mouth · Dizziness · Physical fatigue · Heart rate perception changes · Laughter fits · Tactile euphoria · Body schema distortion · Sexual arousal enhancement · Involuntary body movements · Bodily lightness · Vomiting · Trembling

Thinking(31)likelihood · intensity
Novelty enhancement
likely
Aesthetic enhancement
likely
Introspection enhancement
likely
Openness enhancement
likely
Cognitive euphoria
possible
Immersion enhancement
possible
Decision impairment!
possible
Suggestibility enhancement!
possible
Delusions!
v.rare

Openness enhancement · Cognitive euphoria · Immersion enhancement · Pattern recognition enhancement · Conceptual thinking · Cognitive flexibility · Thought connectivity · Increased nature relatedness · Thought loops · Multiple thought streams · Cognitive impairment · Focus suppression · Creativity enhancement · Memory suppression · Analysis enhancement · Thought acceleration · Thought disorganization · Confusion · Memory fragmentation · Humor enhancement · Cognitive fatigue · Synchronicity · Information processing enhancement · Information processing suppression · Cognitive dysphoria · Delusions

Pattern recognition enhancement · Conceptual thinking · Cognitive flexibility · Thought connectivity · Increased nature relatedness · Thought loops · Multiple thought streams · Cognitive impairment · Focus suppression · Creativity enhancement · Memory suppression · Analysis enhancement · Thought acceleration · Thought disorganization · Confusion · Memory fragmentation · Humor enhancement · Cognitive fatigue · Synchronicity · Information processing enhancement · Information processing suppression · Cognitive dysphoria

Feeling(8)likelihood · intensity
Emotional enhancement
likely
Euphoria
possible
Emotional lability
possible
Empathy enhancement
possible
Simultaneous emotions
possible
Anxiety
possible
Catharsis
possible
Paranoia!
possible

Simultaneous emotions · Anxiety · Catharsis

Self(14)likelihood · intensity
Derealization
possible
Emotional susceptibility
possible
Social connection
possible
Disinhibition
possible
Sociability enhancement
possible
Trust enhancement
possible
Depersonalization
possible
Flow state
possible
Self-control suppression!
rare

Sociability enhancement · Trust enhancement · Depersonalization · Flow state · Communication enhancement · Boundary dissolution · Ego dissolution · Cognitive disconnection · Identity alteration

Communication enhancement · Boundary dissolution · Ego dissolution · Cognitive disconnection · Identity alteration

Time(3)likelihood · intensity
Time alteration
likely
Present-moment absorption
possible
Temporal disorientation
possible
Transpersonal(7)likelihood · intensity
Unity and interconnectedness
possible
Existential realization
rare
Noetic insight
rare
Non-dual awareness
v.rare
Transpersonal feelings
v.rare
Transpersonal visions
v.rare
Entity contact
v.rare

Transpersonal visions · Entity contact

Awareness(6)likelihood · intensity
Personal insight
possible
Mindfulness enhancement
possible
Lucidity enhancement
possible
Cognitive dissonance
possible
Reality testing impairment!
rare
Recursive awareness
v.rare

Recursive awareness

report missing effect
Likelihood: how common this effect is at the selected dose level.This effect has safety implications — review before use.

Timeline

Safety[edit]

Harm
Acute toxicity
Low
Chronic toxicity
Low
Withdrawal
None
Tolerance buildup
rapid
Tolerance reset
7 days
Dependence
Physical
None
Psychological
Negligible
Compulsive redosing
Negligible
Dose escalation
Negligible
Cross-tol.
LSD · psilo · mesc
Risk Shape
TOXPHYPSYWDRREDTOL

Toxicity

No lethal dose, toxic dose, or overdose case report has been published for allylescaline.[5] Its physiological and toxicological properties are explicitly unknown.

Class-level adverse effects

A systematic review of mescaline across 66 studies identified elevated blood pressure, headache, nausea, and vomiting as the most common adverse effects.[14] These are expected to apply to allylescaline given structural similarity.

The broader phenethylamine designer drug class has been associated with agitation, seizures, overheating, and — in fatal cases involving 2C-series compounds — excited delirium.[15] These fatalities involve the 2C series, not the scaline series, and are not directly comparable.

Reactive metabolite concern

Allylescaline's terminal double bond may be converted by liver enzymes into a reactive compound capable of damaging proteins. No published data confirm or exclude this pathway. This concern is unique to allylescaline among the scalines.safety citation needed

Psychological risks

No persistent psychological adverse effects specific to allylescaline have been documented. Class-level risks include[2]:

Sleep difficulty requiring medication and next-day residual effects have been documented at 35 mg.[3]

Tolerance and dependence

Phenethylamine psychedelics do not produce physical dependence or addiction.[2] No compulsive use, withdrawal, or dose-escalation has been documented for allylescaline or any scaline-class compound.

Rapid tolerance develops after a single dose as serotonin receptors adapt,[16] and cross-tolerance with other serotonergic psychedelics — LSD, psilocybin, mescaline, and other scalines — is expected. One study found mescaline did not reduce cortical serotonin receptor density, unlike LSD and psilocybin,[17] suggesting the scaline class may build tolerance through different mechanisms.

1LETHAL
18DANGEROUS
37CAUTION
5UNGRADED
61 rules0 SOURCE-VERIFIED2 EDITOR-REVIEWED

No drug interaction data specific to allylescaline exist. All interactions below are class-level inferences.safety citation needed

  • Monoamine oxidase inhibitors (MAOIs): monoamine oxidase is the primary enzyme that breaks down phenethylamines in the body. Blocking it — with antidepressants like phenelzine or tranylcypromine, or with natural compounds like harmine — dramatically increases the amount and duration of active compound. This raises blood pressure to dangerous levels and can trigger serotonin syndrome — a potentially life-threatening overheating and seizure response. Potentially life-threatening.safety citation needed
  • Serotonergic drugs: SSRIs, SNRIs, and triptans raise background serotonin activity. Combined with a serotonin-activating psychedelic, they increase the risk of serotonin toxicity.[18] They may also paradoxically weaken psychedelic effects through chronic receptor adaptation.
  • Lithium: Combining lithium with serotonergic psychedelics has been associated with seizures in the broader psychedelic literature.safety citation needed
  • Cannabis: cannabis amplifies psychedelic effects unpredictably, increasing the risk of anxiety, paranoia, and psychotic symptoms — particularly at high doses or in inexperienced users.

Contraindications

6 known
4ABSOLUTE
2RELATIVE

No substance-specific contraindication data exist. The following are inherited from the phenethylamine psychedelic class.safety citation needed

  • Personal or family history of psychotic disorders — serotonin receptor activation may trigger or worsen psychosis
  • Current MAOI therapy — risk of dangerous blood pressure elevation and serotonin toxicity
  • Current lithium therapy — seizure risk
  • Severe cardiovascular disease — phenethylamine psychedelics produce transient increases in blood pressure and heart rate[14]
  • Pregnancy — no safety data; potential harm to the developing fetus is unknown
  • Seizure disorders — seizure threshold may be lowered at high doses[15]

Harm Reduction[edit]

Forms & Identification

Reagent ResultsNot recorded+ add reagent results
AppearanceNot recorded+ add appearance
Red FlagsNot recorded+ add red flags

Allylescaline circulates as a white to off-white hydrochloride powder with no distinguishing visual features. Because it is active in the low milligram range, visual dose estimation is unreliable and dangerous. Weigh all material on a milligram-precision scale and verify with reagent testing.

The main identification risk is substitution: the powder is visually identical to dozens of other phenethylamine research chemicals, some with dramatically different potency profiles. Reagent testing confirms a phenethylamine is present but cannot distinguish between specific scalines or rule out adulterants. A drug checking service provides the highest confidence in identity and purity.

Guidelines

  • Test all material with reagent kits and, where possible, a drug checking service before use
  • Weigh doses on a milligram-precision balance (0.001 g); do not estimate by eye
  • Consider volumetric dosing for additional precision at these low active doses
  • Start at the low end of the documented range if inexperienced with this compound
  • Have a sober, trusted companion present throughout
  • Clear the full day and the following morning of obligations
  • Keep water, light food, and comfort items accessible
  • If the experience becomes distressing, move to a calm, familiar environment and focus on breathing

Set & Setting

The extended duration commits to a full day. Choose a physical environment that will remain safe and comfortable for at least 12 hours — with access to water, food, a quiet retreat space, and a bathroom. A trusted, sober companion is strongly recommended, particularly for first experiences or higher doses.

Psychological readiness matters as much as the physical setting. Fatigue, anxiety, unresolved emotional tension, and time pressure all increase the likelihood of a difficult experience. Begin only when rested, fed, hydrated, and free of obligations for the duration and the following morning.

Aftercare & integration. The day after an allylescaline experience may bring residual stimulation, difficulty sleeping, and mild cognitive fog — particularly at higher doses. Plan for a low-demand recovery day with adequate sleep, hydration, and nutrition.

Psychedelic experiences can surface unexpected emotional material. Journaling, conversation with a trusted person, or sessions with a psychedelic-informed therapist can help process and integrate insights. If distressing thoughts, perceptual changes, or mood disruption persist beyond a few days, seek professional support — early intervention improves outcomes.

Recovery & Support

Allylescaline does not produce physical dependence, and compulsive use has not been documented for the scaline class. Any psychoactive substance can, however, become part of avoidant or escapist behavioral patterns.

If psychedelic use is interfering with daily functioning, relationships, or wellbeing, support is available through psychedelic-informed therapists, harm reduction organizations, and peer support communities. The Fireside Project (62-FIRESIDE / 623-473-7433) offers free, confidential peer support during or after psychedelic experiences.

Recovery resources, crisis lines, and support pathways → View all

Emergency Response

Most difficult psychedelic experiences are uncomfortable but not medically dangerous. Signs that require immediate help include: chest pain, seizure, loss of consciousness, extremely tachycardia that does not slow with rest, severe overheating, or behavior indicating risk of self-harm or harm to others.

Immediate steps:

  • 1. Call emergency services if any of the above signs are present
  • 2. Keep the person in a safe physical space away from hazards (heights, traffic, water)
  • 3. Do not physically restrain unless there is immediate danger of self-harm
  • 4. Speak calmly and reassuringly — remind them what they took, that the effects are temporary, and that help is coming
  • 5. If unconscious but breathing, place in the recovery position (on their side, airway clear)
  • 6. Do not induce vomiting

What to tell the dispatcher: Name the substance (allylescaline, a psychedelic phenethylamine), approximate amount taken, time of ingestion, and current symptoms. Good Samaritan laws in many jurisdictions protect people who call for help during a drug-related emergency.

Safety[edit]

Harm
Acute toxicity
Low
Chronic toxicity
Low
Withdrawal
None
Tolerance buildup
rapid
Tolerance reset
7 days
Dependence
Physical
None
Psychological
Negligible
Compulsive redosing
Negligible
Dose escalation
Negligible
Cross-tol.
LSD · psilo · mesc
Risk Shape
TOXPHYPSYWDRREDTOL

Toxicity

No lethal dose, toxic dose, or overdose case report has been published for allylescaline. The physiological and toxicological properties of the compound are explicitly described as unknown.[5]

Class-level adverse effects

The most relevant safety data comes from a systematic review of mescaline across 66 studies, which identified elevated blood pressure, headache, nausea, and vomiting as the most commonly reported adverse effects.[14] These are expected to apply to allylescaline given structural similarity.

The broader phenethylamine designer drug class has been associated with agitation, aggression, elevated blood pressure, rapid heart rate, seizures, overheating, and — in fatal cases involving 2C-series compounds — excited delirium.[15] Five deaths attributed to 2C-series drugs appear in published literature; however, these involve the 2,5-dimethoxy substituted 2C series rather than the 3,5-dimethoxy scaline series and are not directly comparable.[15]

Reactive metabolite concern

The terminal double bond in allylescaline's allyloxy group may be converted by liver enzymes into a reactive epoxide intermediate capable of damaging proteins. No published data confirm or exclude this metabolic pathway. This concern is unique to allylescaline among the scalines and represents an uncharacterized risk.safety citation needed

Psychological risks

No persistent psychological adverse effects specific to allylescaline have been documented. Class-level risks for phenethylamine psychedelics include[2]:

Sleep difficulty requiring medication and next-day residual effects have been documented at 35 mg.[3]

Tolerance and dependence

Phenethylamine psychedelics do not produce physical dependence or addiction.[2] No compulsive use, withdrawal, or dose-escalation behavior has been documented for allylescaline or any scaline-class compound.

Rapid tolerance (tachyphylaxis) develops after a single dose, consistent with 5-HT₂A receptor-mediated adaptation observed across serotonergic psychedelics.[16] A notable caveat: mescaline administered over multiple days did not reduce cortical serotonin receptor density in one study, unlike LSD and psilocybin.[17] This raises the possibility that tolerance mechanisms in the mescaline/scaline class may differ from those of indole psychedelics.

Cross-tolerance with other serotonergic psychedelics (LSD, psilocybin, mescaline, other scalines) is expected.[16]

1LETHAL
18DANGEROUS
37CAUTION
5UNGRADED
61 rules0 SOURCE-VERIFIED2 EDITOR-REVIEWED

No drug interaction data specific to allylescaline exist. All interactions below are class-level inferences.safety citation needed

  • Monoamine oxidase inhibitors (MAOIs): monoamine oxidase is a primary breakdown pathway for phenethylamines. Irreversible MAOIs (phenelzine, tranylcypromine) and reversible MAOIs (moclobemide, harmine/harmaline) can dramatically increase the amount and duration of active compound by blocking its metabolism. This combination carries risk of dangerously elevated blood pressure and serotonin syndrome. Potentially life-threatening.safety citation needed
  • Serotonergic drugs: SSRIs, SNRIs, and triptans increase background serotonin activity. Combined with a 5-HT₂A agonist, these agents increase the risk of serotonin toxicity.[18] SSRIs may paradoxically weaken psychedelic effects through chronic receptor adaptation.
  • Lithium: lithium combined with serotonergic psychedelics has been associated with seizures in the broader psychedelic literature.safety citation needed
  • Stimulants: cocaine, amphetamines, and MDMA present additive cardiovascular risk (elevated blood pressure, rapid heart rate) when combined with phenethylamine psychedelics.

Contraindications

6 known
4ABSOLUTE
2RELATIVE

No substance-specific contraindication data exist. The following are inherited from the phenethylamine psychedelic class:safety citation needed

  • Personal or family history of psychotic disorders — 5-HT₂A agonism may trigger or worsen psychosis in vulnerable individuals
  • Current MAOI therapy — risk of dangerously elevated blood pressure and serotonin toxicity
  • Current lithium therapy — seizure risk
  • Severe heart or cardiovascular disease — phenethylamine psychedelics produce transient increases in blood pressure and heart rate[14]
  • Pregnancy — no safety data; potential for harm to the developing fetus is unknown
  • Seizure disorders — seizure threshold may be lowered at high doses[15]

Harm Reduction[edit]

Forms & Identification

Reagent ResultsNot recorded+ add reagent results
AppearanceNot recorded+ add appearance
Red FlagsNot recorded+ add red flags

Allylescaline typically circulates as a white to off-white hydrochloride powder with no distinguishing visual features. Because it is active in the low milligram range, visual estimation of dose is unreliable and dangerous — material obtained from unregulated sources should be weighed on a milligram-precision scale and ideally verified with reagent testing.

The primary identification concern is substitution: the powder is visually indistinguishable from dozens of other phenethylamine research chemicals, some with dramatically different potency profiles. Reagent testing can confirm the presence of a phenethylamine but cannot distinguish between specific scalines or rule out adulterants. Sending a sample to a drug checking service provides the highest confidence in identity and purity.

Guidelines

  • Test all material with reagent kits and, where possible, a drug checking service before use
  • Weigh doses on a milligram-precision balance (0.001 g); do not estimate by eye
  • Consider volumetric dosing for additional precision at these low active doses
  • Start at the low end of the documented range if inexperienced with this compound
  • Have a sober, trusted companion present throughout
  • Clear the full day and the following morning of obligations
  • Keep water, light food, and comfort items accessible
  • If the experience becomes distressing, move to a calm, familiar environment and focus on breathing

Set & Setting

The extended duration means the user is committing to a full day. Choose a physical environment that will remain safe and comfortable for at least 12 hours, with access to water, food, a quiet retreat space, and a bathroom. A trusted, sober companion is strongly recommended, particularly for first experiences or higher doses.

Psychological readiness matters as much as environment. Fatigue, anxiety, unresolved emotional distress, and time pressure all increase the likelihood of a difficult experience. Begin only when rested, fed, hydrated, and free of obligations for the duration and the following morning.

Aftercare & integration. The day following an allylescaline experience may include residual stimulation, difficulty sleeping, and mild cognitive fog — particularly at higher doses. Plan for a low-demand recovery day with adequate sleep, hydration, and nutrition.

Psychedelic experiences can surface unexpected emotional material. Journaling, conversation with a trusted person, or sessions with a psychedelic-informed therapist can help process and integrate insights. If distressing thoughts, perceptual changes, or mood disruption persist beyond a few days, seek professional support — early intervention improves outcomes.

Recovery & Support

Allylescaline does not produce physical dependence, and compulsive use patterns have not been documented for the scaline class. However, any psychoactive substance can become part of avoidant or escapist behavioral patterns.

If psychedelic use is interfering with daily functioning, relationships, or wellbeing, support is available through psychedelic-informed therapists, harm reduction organizations, and peer support communities. The Fireside Project (62-FIRESIDE / 623-473-7433) offers free, confidential peer support for people during or after psychedelic experiences.

Recovery resources, crisis lines, and support pathways → View all

Emergency Response

Recognizing an emergency: Most difficult psychedelic experiences are uncomfortable but not medically dangerous. Signs that require immediate help include: chest pain, seizure, loss of consciousness, extremely tachycardia that does not slow with rest, severe overheating (skin hot to the touch), or behavior indicating risk of self-harm or harm to others.

Immediate steps:

  • 1. Call emergency services if any of the above signs are present
  • 2. Keep the person in a safe physical space away from hazards (heights, traffic, water)
  • 3. Do not physically restrain unless there is immediate danger of self-harm
  • 4. Speak calmly and reassuringly — remind them what they took, that the effects are temporary, and that help is coming
  • 5. If unconscious but breathing, place in the recovery position (on their side, airway clear)
  • 6. Do not induce vomiting

What to tell the dispatcher: Name the substance (allylescaline, a psychedelic phenethylamine), approximate amount taken, time of ingestion, and current symptoms. Good Samaritan laws in many jurisdictions protect people who call for help during a drug-related emergency.

Frequently asked questions

How long does Allylescaline last?

Total duration by route of administration — Oral: 8 – 12 hours. Ranges vary with dose and individual factors; see the duration table for onset, peak, and after-effect phases.

Where can I find dosage information for Allylescaline?

Psychedex publishes a dosage table for Allylescaline on this page covering these routes of administration: oral. Dose values are presented only in that table, always alongside their route of administration.

What are dangerous combinations with Allylescaline?

The highest-severity documented interactions for Allylescaline: MAOIs (Lethal), Buspirone (Dangerous), Dopamine agonists (Dangerous), GHB, Baclofen (Dangerous), GHB, GBL (Dangerous). See the interactions section for the full list with mechanisms and severity levels.

Is Allylescaline addictive?

Psychedex records tolerance and dependence data rather than a yes/no rating. Recorded tolerance indicators for Allylescaline: tolerance builds rapid; full reset takes 7 days; cross-tolerance develops with LSD, psilocybin, mescaline, DMT, DOx series, escaline, proscaline. See the article's dependence and safety sections for recorded dependence data.

experience reports

No experience reports yet. Be the first to contribute.

First-person accounts of subjective effects, timing, and outcomes — submitted for harm reduction.

references

  1. [1] 
    ^abcdefLeminger (1972) A Contribution to the Chemistry of Alkoxylated Phenethylamines
  2. [2] 
    ^abcdefNichols DE (2004) Hallucinogens — Pharmacology & Therapeutics PMID:14761703
  3. [3] 
    ^abcdefghShulgin (1991) PiHKAL: Phenethylamines I Have Known and Loved, Entry #2 AL (Allylescaline)
  4. [4] 
    ^abcdefWikipedia contributors (2024) Allylescaline - Wikipedia Link
  5. [5] 
    ^abCayman Chemical (2024) Allylescaline (hydrochloride) product entry Link
  6. [6] 
    ^abcdChapman SJ (2012) Leminger's Scalines Link

references

  1. [1] 
    ^abcdeLeminger (1972) A Contribution to the Chemistry of Alkoxylated Phenethylamines
  2. [2] 
    ^abcdefgNichols DE (2004) Hallucinogens — Pharmacology & Therapeutics PMID:14761703
  3. [3] 
    ^abcdefghShulgin (1991) PiHKAL: Phenethylamines I Have Known and Loved, Entry #2 AL (Allylescaline)
  4. [4] 
    ^abcdefWikipedia contributors (2024) Allylescaline - Wikipedia Link
  5. [5] 
    ^abcCayman Chemical (2024) Allylescaline (hydrochloride) product entry Link
  6. [6] 
    ^abcdChapman SJ (2012) Leminger's Scalines Link
Last updated Jun 4, 2026