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    2-MAPB molecular structure

    2-MAPB Stats & Data

    NPS DataHub
    MW189.26
    FormulaC12H15NO
    CAS806596-15-6
    IUPAC1-(1-benzofuran-2-yl)-N-methylpropan-2-amine
    SMILESCNC(C)Cc1cc2ccccc2o1
    InChIKeyANJIDHKQUCZNQY-UHFFFAOYSA-N
    Phenethylamines; Arylalkylamines; 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 Stimulant
    Half-Life Not formally studied; estimated 4–6 h based on structural analogues and reported duration window (anecdotal).

    Effect Profile

    Curated
    Empathogen 6.3

    Moderate empathy, stimulation, and sensory enhancement with mild euphoria

    Empathy / Social Openness×3
    7
    Euphoria / Mood Elevation×2
    5
    Stimulation×1
    7
    Sensory Enhancement×1
    6
    Stimulant 3.6

    Strong anxiety/jitters with mild stimulation and euphoria, low focus

    Stimulation / Energy×3
    5
    Euphoria / Mood Lift×2
    5
    Focus / Productivity×2
    2
    Anxiety / Jitters×1
    10

    Tolerance & Pharmacokinetics

    drugs.wiki
    Half-Life
    Not formally studied; estimated 4–6 h based on structural analogues and reported duration window (anecdotal).
    Addiction Potential
    Moderate-to-low. Psychological craving and episodic compulsive redosing can occur due to empathogenic/stimulant euphoria; spacing use reduces risks. Evidence for compulsive redosing exists broadly for stimulants/entactogens rather than 2‑MAPB specifically.

    Tolerance Decay

    Full tolerance 0h Half tolerance 14d Baseline ~35d

    Extrapolated from MDMA/benzofuran user patterns: acute tolerance rises rapidly within a session and decays over weeks; spacing ≥4–6 weeks helps restore baseline response. Data quality is anecdotal; no controlled human tolerance studies for 2‑MAPB identified.

    Cross-Tolerances

    MDMA
    50% ●○○
    MDA
    50% ●○○
    5-APB / 6-APB
    50% ●○○
    Other MAPB/APB analogues
    50% ●○○

    Harm Reduction

    drugs.wiki

    Reasoning for additions/changes (harm‑reduction justifications):

    - Adulteration and mislabeling are common in unregulated markets; Erowid’s DrugsData program and European drug checking services consistently find unexpected contents. Therefore, always reagent‑test and, where possible, use a laboratory drug‑checking service before dosing.

    - Overheating and over‑hydration are both established risks with serotonergic entactogens. Use cooling/rest breaks; sip fluids regularly but avoid excessive plain water. Prefer electrolyte‑containing drinks or salty snacks to prevent hyponatremia.

    - Serotonergic polypharmacy meaningfully increases the chance of serotonin toxicity. Avoid combinations with MAOIs, SSRIs/SNRIs, tramadol, DXM, and similar agents. This is reflected in TripSit's interaction guidance and community safety lists.

    - Reports with benzofurans (e.g., 5‑MAPB) frequently include jaw tension/bruxism, vasoconstriction, insomnia, and desire to redose; magnesium may reduce jaw clenching for some, but evidence is anecdotal—do not exceed daily limits. Keep doses modest and avoid stacking stimulants.

    - Space sessions widely (commonly ≥4–6 weeks) to reduce mood dips and tolerance; frequent MDMA‑like use worsens after‑effects. This timing is an inference from MDMA harm‑reduction practice and reported hangovers.

    - Insufflation is more likely to cause local irritation and sharp cardiovascular peaks; oral is generally safer/steadier for benzofurans per community experience.

    - During long, hot, or high‑exertion settings (clubs/festivals), plan for cooling, electrolytes, and set dose limits in advance to avoid compulsive redosing.

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