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    🧪 This is a research chemical with limited data on its long-term health effects, toxicity profile, and safe dosage ranges.

    4-HO-DPT

    Aliases: Procin, 4-hydroxy-n, N-dipropyltryptamine, 4hodpt

    Categories

    Psychedelic Research-chemical
    4-HO-DPT structure

    Summary PsychonautWiki

    4-HO-DPT (also known as 4-hydroxy-N,N-dipropyltryptamine and sometimes referred to as Procin) is a psychedelic substance of the tryptamine class. Alexander Shulgin first synthesized 4-HO-DPT and documented it in his book TiHKAL (Tryptamines I Have Known and Loved). It is the 4-hydroxyl analog of DPT.

    Perspectives

    “Possible threshold, nothing more.”

    Dose Information TripSit PsychonautWiki

    ROA Light Common Strong Heavy
    Oral 40-60mg 60-90mg 90-130mg 130mg+
    Insufflated 10-15mg 15-25mg 25-35mg 35mg+
    Light Common Strong Heavy

    Onset, Duration & After-effects TripSit PsychonautWiki

    ROA Onset Comeup Peak Offset
    Oral 48-60 min 1.0-2.0 hrs 2.0-3.0 hrs 1.0-2.0 hrs
    Insufflated 12-48 min 30-48 min 1.0-3.0 hrs 1.0-2.0 hrs

    Tolerance

    Build-up develops rapidly after a single use
    Reset 7–14 days for baseline
    Cross-tolerance
    LSD Psilocybin Psilocin Mescaline DMT 5-MeO-DMT 2C-B 2C-E

    Effects PsychonautWiki

    Positive
    • Physical euphoria
    • Muscle relaxation
    • Stimulation
    Negative
    • Nausea
    • Pupil dilation
    • Increased heart rate
    Neutral
    • Spontaneous bodily sensations
    • Sedation
    • Mouth numbing
    • Brightness alteration
    Positive
    • Novelty enhancement
    • Analysis enhancement
    • Mindfulness
    • Conceptual thinking
    • Unity and interconnectedness
    • Cognitive euphoria
    • Laughter fits
    • Immersion intensification
    Negative
    • Delusion
    • Memory suppression
    • Language depression
    Neutral
    • Depth perception distortions
    • Perspective distortion
    • Thought acceleration
    • Time distortion
    • Thought loop
    • Personal bias suppression
    • Emotion intensification
    Positive
    • Pattern recognition enhancement
    • Tracers
    • Bodily control enhancement
    • Color enhancement
    • Visual acuity enhancement
    • Increased music appreciation
    • Color shifting
    • Auditory acuity enhancement
    Negative
    • Visual acuity suppression
    Neutral
    • Auditory hallucination
    • Auditory distortion
    • Diffraction
    • Symmetrical texture repetition
    • Scenery slicing
    • Internal hallucination
    • Autonomous entity
    • Drifting
    • After images
    • Perspective hallucination
    • Tactile intensification

    Combinations TripSit

    Trip Reports Effect Index

    Sick off of Alien Resplendence nervewing

    PiHKAL / TiHKAL Shulgin

    TiHKAL #20: 4-HO-DPT

    “Possible threshold, nothing more.”

    — Alexander Shulgin, TiHKAL (with 20 mg, orally)

    Helpful Links

    📘 Experience Reports 📖 TripSit 📖 PsychonautWiki 📖 Bluelight