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🔗 MergedComparePsychonautWikiTripSitPharmacologyPiHKAL

How the databases line up — = agree, partial, differ. In lists, shared items appear in every source and unique ones in only one (matched case-insensitively).

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PsychonautWikiTripSitPharmacologyPiHKAL
Classification
Class / category
Also known as
DOMSTP (Serenity, Tranquility, and Peace)
stp
STP2,5-DIMETHOXY-4-METHYLAMPHETAMINE
Safety
Addiction potentialnot habit-forming
Toxicity
toxic dose is unknown
Dangerous interactions
Unsafe interactions
Dose · Oral
Threshold0.5 mg
Light1–3 mg1–2.5 mg
Common3–5 mg2.5–5 mg3–10 mg
Strong5–10 mg5–7.5 mg
Heavy10 mg+7.5 mg+
Duration
Onset1–2 hours2–4 hours
Total12–16 hours8–30 hours14–20 hours
After-effects4–16 hours12–24 hours
Pharmacology
Receptor activity
Serotonin 2 (5-HT2) receptorSerotonin 1 (5-HT1) receptor

Dose at a glance

Each database's primary-route ladder on one shared scale — see where ranges line up or shift.

PsychonautWiki oral
TripSit Oral
PiHKAL oral
012.5 mg
LightCommonStrongHeavy

Duration at a glance

Total duration on one shared scale.

PsychonautWiki
12–16 hours
TripSit
8–30 hours
PiHKAL
14–20 hours

TripSit summary

The most popular psychedelic amphetamine due to its pleasant effects, lower potency and shorter duration. Effects have been described as 'sillier' than LSD and related DOX chemicals

PiHKAL summary

A potent, long-lived psychedelic whose R-isomer carries most of the activity while the S-isomer seems to contribute the heavier physical effects. It became infamous when distributed as 'STP' during 1967 in San Francisco, where its unknown identity made overdose emergencies especially difficult to manage.

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.