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    2C-E molecular structure

    2C-E Stats & Data

    Europa Eternity Aquarust 2ce
    NPS DataHub
    MW209.29
    FormulaC12H19NO2
    CAS71539-34-9
    IUPAC2-(4-ethyl-2,5-dimethoxyphenyl)ethanamine
    SMILESNCCc1cc(OC)c(CC)cc1OC
    InChIKeyVDRGNAMREYBIHA-UHFFFAOYSA-N
    Phenethylamines; 2020/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2021/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2022/1. Von 2-Phenethylamin abgeleitete Verbindungen
    Chemical Class Phenethylamine
    Psychoactive Class Psychedelic
    Half-Life Unknown in humans (no published PK); effects last ~6–10 h depending on dose.

    Receptor Profile

    Receptor Actions

    Agonists
    5-HT2A receptor agonist (partial)
    5-HT2B receptor agonist (partial)
    5-HT2C receptor agonist (partial)
    Adrenergic alpha-2 receptor agonist

    History & Culture

    1977–1991

    2C-E was first synthesized by Alexander Shulgin in 1977. His findings were documented in detail in the 1991 book PiHKAL (Phenethylamines I Have Known and Loved), co-authored with Ann Shulgin. This influential work contained synthesis instructions, bioassays, dosages, and commentary for over 200 psychedelic compounds, most of which Shulgin had developed himself. Shulgin considered 2C-E one of his most significant discoveries, including it among his "magical half-dozen" - a personal ranking of the most important phenethylamine compounds he had encountered. This group comprised mescaline alongside five of Shulgin's own inventions: DOM, 2C-B, 2C-E, 2C-T-2, and 2C-T-7.

    2004–present

    2C-E became increasingly popular in recreational contexts during the early 2000s, distributed primarily through online research chemical vendors. The compound began appearing in drug seizures around 2004. It has occasionally been sold on the street as "mescaline" or "synthetic mescaline," capitalizing on the structural relationship between phenethylamines and mescaline despite significant differences in pharmacology and subjective effects. The substance developed a reputation for producing deeply meaningful experiences, with references to this quality appearing across online discussion forums and in published literature. Myron J. Stolaroff's "Thanatos to Eros: 35 Years of Psychedelic Exploration" is among the works that discuss the compound's potential for profound introspective experiences.

    Subjective Effect Notes

    cognitive: The head space of 2C-E is described by many as one which is both insightful and relatively normal in its thought processes even at moderate to high dosages.

    Effect Profile

    Curated + 523 Reports
    Psychedelic 8.8

    Strong visuals, headspace, auditory effects, and body load

    Visual Intensity×3
    10104.2
    Headspace Depth×3
    10102.6
    Auditory Effects×1
    10101.6
    Body Load / Somatic Effects×1
    10104.0
    Catalog Erowid BlueLight

    Duration Timeline

    Bluelight
    Onset Comeup Peak Offset After Effects
    Oral
    19 minutes - 1.5 hours
    30 minutes - 1.5 hours
    2-4 hours
    2-3 hours
    4-48 hours
    Total: 4-9 hours
    Insufflated
    1-10 minutes
    1.5-3 hours
    1-2 hours
    2-6 hours
    Total: 6-14 hours

    Empirical Duration

    Erowid Reports
    Onset Come Up Peak Offset
    Oral (53 reports)

    Community Effects

    TripSit
    Positive
    dissociation

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Unknown in humans (no published PK); effects last ~6–10 h depending on dose.
    Addiction Potential
    Low; not considered habit-forming, but psychological dependence is possible with frequent use.

    Tolerance Decay

    Full tolerance 1d Half tolerance 7d Baseline ~14d

    Tolerance patterns for 5‑HT2A psychedelics are based on community reports and general HR guidance; high inter‑individual variability. Allow 1–2 weeks between sessions for best effect restoration.

    Cross-Tolerances

    LSD
    70% ●○○
    Psilocybin
    70% ●○○
    Other 2C‑x
    80% ●○○

    Experience Report Analysis

    Erowid BlueLight
    396 Reports
    1999–2025 Date Range
    177 With Age Data
    33 Effects Detected

    Demographics

    Gender Distribution

    Age Distribution

    Reports Over Time

    Effect Analysis

    Erowid + Bluelight

    Effects aggregated from 446 experience reports (396 Erowid + 127 Bluelight)

    446 Reports
    133 Effects Detected
    68 Positive
    42 Adverse
    23 Neutral

    Effect Sentiment Distribution

    Confidence Distribution

    Positive Effects 68

    Color Enhancement 57.4% 87%
    Music Enhancement 49.5% 86%
    Stimulation 44.2% 82%
    Euphoria 35.9% 87%
    Empathy 33.2% 79%
    Tactile Enhancement 29.8% 80%
    Introspection 29.3% 84%
    Visual Trails 28.0% 85%
    Focus Enhancement 26.2% 75%
    Geometric Imagery 24.0% 86%
    Awe 24.0% 84%
    Thought Acceleration 20.0% 81%
    Fractal Imagery 20.0% 88%
    Morphing 20.0% 84%
    Body High 18.8% 86%
    Patterning 18.0% 84%
    Insight 18.0% 83%
    Surface Breathing 16.0% 82%
    Auditory-Visual Synesthesia 16.0% 83%
    Contentment 14.0% 81%

    Adverse Effects 42

    Anxiety 47.5% 82%
    Nausea 45.3% 85%
    Confusion 33.2% 85%
    Body Load 32.0% 81%
    Muscle Tension 23.1% 79%
    Fear 18.0% 83%
    Pupil Dilation 12.1% 86%
    Focus Suppression 12.0% 78%
    Memory Suppression 11.2% 72%
    Vomiting 10.0% 93%
    Jaw Clenching 9.6% 85%
    Headache 8.9% 85%
    Sweating 8.5% 86%
    Increased Heart Rate 8.1% 70%
    Panic 8.0% 81%
    Shadow Imagery 8.0% 84%
    Motor Impairment 7.6% 70%
    Insomnia 6.0% 82%
    Thought Disorganization 6.0% 75%
    Restlessness 6.0% 78%

    Dose-Response Correlation

    How effect frequency changes across dose levels

    Oral

    View data table
    Effect Light (n=15) Common (n=38) Strong (n=127) Heavy (n=23)
    Visual Distortions 93.3% 86.8% 92.1% 95.7%
    Color Enhancement 73.3% 76.3% 64.6% 65.2%
    Stimulation 66.7% 63.2% 44.1% 43.5%
    Music Enhancement 60.0% 65.8% 59.8% 43.5%
    Anxiety 60.0% 50.0% 52.8% 34.8%
    Nausea 60.0% 47.4% 50.4% 34.8%
    Tactile Enhancement 53.3% 23.7% 40.2% 21.7%
    Muscle Tension 46.7% 26.3% 24.4% 13.0%
    Confusion 26.7% 36.8% 44.9% 34.8%
    Focus Enhancement 33.3% 44.7% 29.9% 8.7%
    Empathy 26.7% 44.7% 38.6% 34.8%
    Increased Heart Rate 40.0% 10.5% 7.1% 13.0%
    Introspection 40.0% 28.9% 36.2% 13.0%
    Euphoria 40.0% 34.2% 37.8% 39.1%
    Sedation 33.3% 23.7% 29.9% 0%

    Insufflated

    View data table
    Effect Strong (n=16) Heavy (n=11)
    Visual Distortions 75.0% 90.9%
    Stimulation 68.8% 45.5%
    Nausea 43.8% 63.6%
    Anxiety 56.2% 45.5%
    Music Enhancement 56.2% 54.5%
    Focus Enhancement 56.2% 0%
    Color Enhancement 56.2% 54.5%
    Euphoria 31.2% 45.5%
    Body High 12.5% 45.5%
    Closed-Eye Visuals 43.8% 27.3%
    Empathy 25.0% 36.4%
    Dissociation 12.5% 36.4%
    Confusion 25.0% 27.3%
    Memory Suppression 12.5% 27.3%
    Auditory Effects 25.0% 0%

    Subjective Effect Ontology

    Experience Reports

    Structured effect tags extracted from 523 Erowid & Bluelight experience reports using a controlled vocabulary of 220+ canonical effects across 15 domains.

    Auditory

    music enhancement 221 45.5%

    Cognitive

    confusion 148 28.6% introspection 131 29.1% focus enhancement 117 22.7%

    Emotional

    anxiety 212 44.9% euphoria 160 34.7% empathy 148 30.1%

    Gastrointestinal

    nausea 202 43.4%

    Motor

    stimulation 197 40.6% sedation 102 20.1%

    Tactile

    tactile enhancement 133 25.7%

    Visual

    visual distortions 346 68.0% color enhancement 256 54.5% closed eye visuals 131 30.3%

    14 unique effects extracted · Derived from Erowid & Bluelight reports

    Dose–Effect Mapping

    Experience Reports

    How reported effects shift across dose tiers, based on 396 experience reports.

    Insufflated dose range: 5.0–15.0 mg (median 10.0 mg)
    Effect Strong (n=16) Heavy (n=11)
    visual distortions
    75%
    91%
    stimulation
    69%
    46%
    nausea
    44%
    64%
    anxiety
    56%
    46%
    music enhancement
    56%
    54%
    focus enhancement
    56%
    color enhancement
    56%
    54%
    euphoria
    31%
    46%
    body high
    12%
    46%
    closed-eye visuals
    44%
    27%
    empathy
    25%
    36%
    dissociation
    12%
    36%
    confusion
    25%
    27%
    memory suppression
    12%
    27%
    auditory effects
    25%
    tactile enhancement
    25%
    18%
    muscle tension
    25%
    open-eye visuals
    19%
    18%
    sedation
    19%
    18%
    introspection
    19%
    18%

    Showing top 20 of 24 effects

    Oral dose range: 14.0–20.0 mg (median 18.0 mg)
    Effect Light (n=15) Common (n=38) Strong (n=127) Heavy (n=23)
    visual distortions
    93%
    87%
    92%
    96%
    color enhancement
    73%
    76%
    65%
    65%
    stimulation
    67%
    63%
    44%
    44%
    music enhancement
    60%
    66%
    60%
    44%
    anxiety
    60%
    50%
    53%
    35%
    nausea
    60%
    47%
    50%
    35%
    tactile enhancement
    53%
    24%
    40%
    22%
    muscle tension
    47%
    26%
    24%
    13%
    confusion
    27%
    37%
    45%
    35%
    focus enhancement
    33%
    45%
    30%
    9%
    empathy
    27%
    45%
    39%
    35%
    increased heart rate
    40%
    10%
    7%
    13%
    introspection
    40%
    29%
    36%
    13%
    euphoria
    40%
    34%
    38%
    39%
    sedation
    33%
    24%
    30%
    pupil dilation
    33%
    10%
    18%
    9%
    closed-eye visuals
    27%
    32%
    28%
    30%
    auditory effects
    27%
    32%
    32%
    26%
    open-eye visuals
    13%
    32%
    24%
    9%
    ego dissolution
    20%
    29%
    20%

    Showing top 20 of 33 effects

    Risk Escalation

    Sentiment Analysis

    Average frequency of positive vs adverse effects across dose tiers (Oral)

    Light n=15
    10 positive 42.7% 7 adverse 41.9%
    Common n=38
    9 positive 44.1% 11 adverse 22.2%
    Strong n=127
    10 positive 38.3% 14 adverse 18.8%
    Heavy n=23
    9 positive 32.8% 9 adverse 18.4%
    View effect breakdown

    Adverse Effects

    Effect Light (n=15) Common (n=38) Strong (n=127) Heavy (n=23) Change
    Anxiety
    60%
    50%
    53%
    35%
    -42%
    Nausea
    60%
    47%
    50%
    35%
    -42%
    Muscle Tension
    47%
    26%
    24%
    13%
    -72%
    Confusion
    27%
    37%
    45%
    35%
    +30%
    Increased Heart Rate
    40%
    10%
    7%
    13%
    -67%
    Pupil Dilation
    33%
    10%
    18%
    9%
    -73%
    Headache
    27%
    16%
    10%
    9%
    -67%
    Jaw Clenching
    24%
    14%
    -40%
    Memory Suppression
    8%
    14%
    9%
    10%
    Motor Impairment
    10%
    11%
    4%
    Sweating
    5%
    9%
    +77%
    Thought Loops
    2%
    9%
    +262%
    Psychosis
    3%
    0%
    Seizure
    2%
    0%

    Positive Effects

    Effect Light (n=15) Common (n=38) Strong (n=127) Heavy (n=23) Change
    Color Enhancement
    73%
    76%
    65%
    65%
    -11%
    Stimulation
    67%
    63%
    44%
    44%
    -34%
    Music Enhancement
    60%
    66%
    60%
    44%
    -27%
    Tactile Enhancement
    53%
    24%
    40%
    22%
    -59%
    Focus Enhancement
    33%
    45%
    30%
    9%
    -73%
    Empathy
    27%
    45%
    39%
    35%
    +30%
    Introspection
    40%
    29%
    36%
    13%
    -67%
    Euphoria
    40%
    34%
    38%
    39%
    -2%
    Body High
    20%
    24%
    26%
    +30%
    Creativity Enhancement
    13%
    16%
    8%
    -40%

    Risk Escalation

    Sentiment Analysis

    Average frequency of positive vs adverse effects across dose tiers (Insufflated)

    Strong n=16
    9 positive 38.9% 6 adverse 29.2%
    Heavy n=11
    8 positive 39.8% 5 adverse 36.4%
    View effect breakdown

    Adverse Effects

    Effect Strong (n=16) Heavy (n=11) Change
    Nausea
    44%
    64%
    +45%
    Anxiety
    56%
    46%
    -19%
    Confusion
    25%
    27%
    9%
    Memory Suppression
    12%
    27%
    +118%
    Muscle Tension
    25%
    0%
    Thought Loops
    18%
    0%
    Psychosis
    12%
    0%

    Positive Effects

    Effect Strong (n=16) Heavy (n=11) Change
    Stimulation
    69%
    46%
    -33%
    Music Enhancement
    56%
    54%
    -3%
    Focus Enhancement
    56%
    0%
    Color Enhancement
    56%
    54%
    -3%
    Euphoria
    31%
    46%
    +45%
    Body High
    12%
    46%
    +264%
    Empathy
    25%
    36%
    +45%
    Tactile Enhancement
    25%
    18%
    -27%
    Introspection
    19%
    18%
    -3%

    Dosage Distribution

    Dose distribution from experience reports

    Oral

    Median: 18.0 mg IQR: 14.0–20.0 mg n=192

    Insufflated

    Median: 10.0 mg IQR: 5.0–15.0 mg n=38

    Real-World Dose Distribution

    62K Doses

    From 443 individual dose entries

    Oral (n=318)

    Median: 16.0mg 25th: 12.0mg 75th: 20.0mg 90th: 25.0mg
    mg/kg median: 0.245 mg/kg 75th: 0.334

    Insufflated (n=62)

    Median: 10.0mg 25th: 5.0mg 75th: 14.5mg 90th: 19.5mg
    mg/kg median: 0.135 mg/kg 75th: 0.209

    Smoked (n=8)

    Median: 17.5mg 25th: 14.75mg 75th: 35.0mg 90th: 50.0mg
    mg/kg median: 0.174 mg/kg 75th: 0.442

    Intramuscular (n=7)

    Median: 10.0mg 25th: 5.5mg 75th: 10.0mg 90th: 14.0mg
    mg/kg median: 0.137 mg/kg 75th: 0.143

    Sublingual (n=6)

    Median: 7.5mg 25th: 5.62mg 75th: 7.5mg 90th: 11.75mg

    Common Combinations

    Most co-occurring substances in experience reports

    Form / Preparation

    Most common forms and preparations reported

    Body-Weight Dosing

    Dose relative to body weight from reports with weight data

    Oral

    Median: 0.254 mg/kg IQR: 0.184–0.334 mg/kg n=189

    Insufflated

    Median: 0.147 mg/kg IQR: 0.079–0.212 mg/kg n=38

    Redose Patterns

    Redosing behavior across 299 reports

    16.1% Redosed
    1.2 Avg Doses
    60m Median Interval

    Legal Status

    Country Status Notes
    Australia Dangerous Drugs (Queensland) In Queensland, added to the 'Dangerous Drugs' list under the Drugs Misuse Amendment Act 2008, making production, supply, and possession illegal.
    Austria Illegal (NPSG) Prohibited under the Neue-Psychoaktive-Substanzen-Gesetz (NPSG). The accompanying NPSV regulation explicitly bans all substituted phenethylamines under Schedule II.
    Brazil Illegal Possession, production, and sale prohibited under Portaria SVS/MS nº 344 since February 18, 2014.
    Canada Schedule III Classified under Schedule III of the Controlled Drugs and Substances Act as of October 31, 2016, as a derivative of 2,5-dimethoxyphenethylamine.
    China Category I Psychotropic Substance Controlled since October 2015. Sale, purchase, import, export, and manufacture are illegal.
    Denmark Schedule B Added to the list of Schedule B controlled substances as of April 8, 2007.
    Finland Illegal Possession, production, and sale prohibited. Banned in December 2014 under a government regulation controlling over 100 psychoactive substances.
    Germany Anlage I BtMG Listed under Anlage I of the Betäubungsmittelgesetz (Narcotics Act) as of December 13, 2014. Manufacturing, possession, import, export, purchase, sale, and dispensing without license are prohibited.
    Israel Controlled Substance Added to Israel's controlled substances list in December 2007, making purchase, sale, and possession illegal.
    Japan Designated Substance (Shitei-Yakubutsu) Controlled under the Pharmaceutical Affairs Law, prohibiting possession and sale.
    Latvia Schedule I Classified as a Schedule I controlled substance under national drug legislation.
    New Zealand Class C (Schedule 3) Controlled under the catch-all Analogues section in Schedule 3 / Class C of the Misuse of Drugs Act, alongside other phenethylamine derivatives.
    Poland IV-P Psychotropic Group Classified as a controlled substance within the IV-P psychotropic group under Polish drug legislation.
    Portugal Decriminalized (personal use) Possession of quantities not exceeding a ten-day personal supply is decriminalized. Production and distribution remain criminal offenses.
    Sweden Health Hazard Classification Classified as dangerous to health under the Act on the Prohibition of Certain Goods Dangerous to Health (Lagen om förbud mot vissa hälsofarliga varor) since October 1, 2004, via regulation SFS 2004:696. Sale and possession are illegal.
    Switzerland Controlled (Verzeichnis E) Specifically named as a controlled substance under Verzeichnis E of Swiss narcotics legislation.
    Turkey Illegal Classified as a controlled drug. Possession, production, supply, and import are prohibited.
    United Kingdom Class A Controlled under the Misuse of Drugs Act 1971 following the 2002 amendment, which introduced a phenethylamine catch-all clause covering 2C-E and related compounds. Production, supply, and possession are illegal.
    United States Schedule I Federally controlled under the Food and Drug Administration Safety and Innovation Act of 2012 as of July 9, 2012. Possession, distribution, and manufacture are illegal without DEA license. Additionally scheduled at state level in Alabama, Louisiana, Minnesota, Oklahoma, Pennsylvania, Vermont, and Virginia.

    Harm Reduction

    drugs.wiki

    REASONS AND SOURCES FOR EACH HARM-REDUCTION POINT (added fields below follow these justifications):

    - Dose sensitivity and weighing: Multiple HR sources list a narrow active range (roughly 5–20 mg orally) with big effect jumps per few milligrams, so precise weighing is essential. The Drug Users Bible compiles ranges and explicitly notes dose sensitivity; Drugs‑Forum and Erowid archives echo this. Therefore, clear dose brackets and scale/volumetric dosing guidance are warranted.

    - Onset variability and redose risk: TripSit documents oral onset variability, sometimes taking up to 3 hours. Early redosing risks overshooting once the delayed come‑up arrives. So the onset window in duration and a note to wait at least 3 hours before considering any redose are included.

    - Route harms (insufflation): TripSit lists intranasal use with shorter total duration but, in practice, users report severe nasal pain and harsher body load. Because this ROA increases acute adverse effects, I flag it as strongly discouraged and avoid providing numeric doses.

    - Duration planning and after‑effects: Hi‑Ground’s 2C‑x guidance lists 2C‑E total 6–10 h with after‑effects up to 24 h, aligning with user reports; thus the duration curve includes a conservative envelope for planning.

    - Interactions: TripSit’s combination chart and write‑ups consistently flag MAOIs as dangerous with 2C‑x phenethylamines and warn about serotonin/seizure risks with tramadol; community HR threads also warn against lithium with classic psychedelics. Accordingly, MAOIs, tramadol, and lithium are set to “dangerous”, while DXM and stimulants are “unsafe,” and SSRIs, alcohol, cannabis, and benzos are placed under “caution.”

    - Reagent testing and misrepresentation risk: To reduce the risk of misidentified materials (e.g., 2C‑x being sold as MDMA or vice versa), I added explicit reagent expectations for 2C‑E (Marquis: no reaction; Mandelin: yellow/green; Mecke: brown) sourced from Drugs‑Forum’s reagent table. Saferparty’s alerts show 2C‑x pills mis-sold as MDMA, underscoring the need for multi‑reagent testing.

    - Volumetric dosing feasibility and solution stability: TripSit notes ~50 mg/mL aqueous solubility and reasonable solution stability for 2C‑E HCl, but crystallization can occur below room temperature—supporting advice to use dilute solutions, label clearly, and store at room temp away from light.

    - Set/setting and mental intensity: TripSit emphasizes 2C‑E’s heavy body load and strong visuals; prudent advice includes calm set/setting, sitter for higher doses, and avoiding crowded/overstimulating contexts for inexperienced users.

    - Driving/operating machinery: Hi‑Ground recommends not driving for at least 24 hours after 2C‑x use; included under practical safety.

    - Tolerance spacing: Community consensus for 5‑HT2A psychedelics suggests noticeable tolerance for days and near‑baseline by 1–2 weeks; I preserved your existing tolerance windows and note cross‑tolerance to other psychedelics. Data quality here is anecdotal; users should allow ample time between sessions.

    APPLIED HARM-REDUCTION DETAILS (reflected in the JSON fields): 2C‑E often produces stronger body load than some other 2C‑x; effects escalate steeply with dose, so start low and avoid redosing during the first 3 hours. Use a calibrated 0.001 g scale or volumetric dosing to avoid mis-measurement; 2C‑E HCl dissolves in water (approx. ≤50 mg/mL) but can recrystallize if chilled. Always multi‑test unknown samples with reagents; expected 2C‑E reactions include Marquis: no reaction, Mecke: brown, Mandelin: yellow/green—reagents do not confirm purity or dose. Be aware that 2C‑x tablets are sometimes mis‑sold as MDMA; strong set/setting control and a trusted sober sitter are recommended for higher doses. Avoid MAOIs, lithium, and tramadol; avoid combining with other stimulants or DXM; SSRIs may blunt effects; cannabis can potentiate visuals and anxiety; alcohol adds nausea/dehydration and impairs judgment. Insufflation is strongly discouraged due to severe nasal pain and spikier adverse effects. Maintain moderate ambient temperature, sip water regularly (not excessively), and avoid driving for at least 24 hours post‑use. Those with cardiovascular disease, seizure history, or severe anxiety should avoid use or seek medical advice.

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