Stimulant

Propylphenidate

Also called PPH

Original Wikipedia articleen.wikipedia.org/wiki/Propylphenidate revision used (24 October 2026)

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Common dose · Oral25–60 mg TS

Dosage

Oral

Source	Threshold	Light	Common	Strong	Heavy
TripSit	–	15–25 mg TS	25–60 mg TS	60–100 mg TS	100 mg+ TS

TripSit dose text

TripSit's factsheet also states its doses as text.

Oral Light: 15-25mg Common: 25-60mg Strong: 60-100mg Heavy: 100mg+ TS

What dose are you on? (self-reported, unverified)

Read this first. These numbers come from anonymous visitors typing in a box. Nobody checks them. People misjudge, mistype, troll, or take untested products of unknown strength. They are not a dose guide and never override the sourced table above. They exist only so the sourced ranges can be compared with what people say they take. If you are deciding what to take, use the sourced table, start low, and read the risks section.

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Duration

TripSit factsheet

Onset: 15-25 minutes TS
Duration: 1.5-3 hours TS
Aftereffects: 1-8 hours TS

Mixing

For best safety practice, don't mix this drug with other stimulants.

Why: vasoconstriction, heart rate and blood pressure. PsychonautWiki says:

“... may be dangerous to combine with other stimulants ... as they can increase one's heart rate and blood pressure to dangerous levels.” (PsychonautWiki, dangerous interactions table, "Stimulants" row, revision 148925)
“Vasoconstriction can be described as a narrowing of the veins and blood vessels which results from a contraction of their muscular wall.” (PsychonautWiki, Vasoconstriction, revision 170337)
“... it can also occur under the influence of traditional stimulants such as methamphetamine, caffeine, and MDMA.” (PsychonautWiki, Vasoconstriction, revision 170337)
“Increased blood pressure is most commonly induced under the influence of heavy dosages of vasoconstricting compounds, such as traditional stimulants and stimulating psychedelics.” (PsychonautWiki, Increased blood pressure, revision 152273)

Quotes from PsychonautWiki, CC BY-SA 4.0.

Acute combinations: what happens when these are taken close together. Entries backed by a medical journal or agency are listed first.

Backed by medical journals

Awaiting sourcePeer-reviewed reports on acute combinations, from PubMed and the journals the harm reduction sites cite.

Risks and toxicity

Awaiting sourceToxicity, overdose signs and dependence risk from harm reduction sites and journals.

Testing

Awaiting sourceReagent reactions and test kit guidance from a harm reduction testing service.

Effects

Awaiting sourceSubjective and physical effects from PsychonautWiki or TripSit.

Overview

Propylphenidate is a short acting stimulant. TS

Propylphenidate (also known as PPH) is a piperidine based stimulant drug, closely related to methylphenidate, but with the methyl ester replaced by a propyl ester. It was banned in the UK as a Temporary Class Drug from April 2015 following its unapproved sale as a designer drug.[1] WP

History

Awaiting sourceHistory and culture from Wikipedia or PsychonautWiki, with their citations.

Legal status

Propylphenidate is illegal in Sweden as of 26 January 2016, and in Finland since 2017.[2][3] WP

Pharmacology

Awaiting sourcePharmacology from Wikipedia and the journal papers it cites.

Chemistry

Formula: C16H24ClNO2 PC
Formula (Wikipedia infobox): C16H23NO2 WP⚠ Wikipedia and PubChem give different formulas. Both are shown as each source has it.
Molar mass (g/mol): 297.82 PC
IUPAC name (computed by PubChem): propyl 2-phenyl-2-piperidin-2-ylacetate;hydrochloride PC
SMILES: CCCOC(=O)C(C1CCCCN1)C2=CC=CC=C2.Cl PC
InChIKey: MWNJGZNPSNSPIL-UHFFFAOYSA-N PC
PubChem CID: 91844465

User reports

Erowid erowid.org

Listings

Awaiting sourceExperience Vault listing and report categories.

Bluelight bluelight.org

Listings

Awaiting sourceTrip report threads and this substance's discussion forum.

Reddit reddit.com

Listings

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Pop culture

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References

Text and values on this page are quoted from Wikipedia (CC BY-SA 4.0), TripSit factsheets, PubChem (public domain). Each value links to the exact revision it came from.