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Methylnaphthidate

HDMP-28, Methylnapthidate

Psychoactive Class

Stimulant

Chemical Class

Phenidate

Dosage & Duration

Dosage

Threshold4-4 mg

Light10-15 mg

Moderate15-30 mg

Strong30-50 mg

Heavy50+ mg

Duration

Onset1-10 minutes

Peak1.5-2 hours

Offset1.5-2 hours

After Effects1-8 hours

Total2-5 hours

Reagent Testing

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Pharmacology

Pharmacodynamics

Interactions

Dangerous

These combinations are considered extremely harmful and should always be avoided. Reactions to these drugs taken in combination are highly unpredictable and have a potential to cause death.

AlcoholCocaineDXMDissociativesMAOIsMDMAMXENBOMe compoundsStimulantsTramadol

TripSit

Legality

By Country

GermanyHDMP-28 is controlled under the NpSG ( New Psychoactive Substances Act ) as of November 26, 2016.

Production and import with the aim to place it on the market, administration to another person and trading is punishable. Possession is illegal but not penalized.

TurkeyHDMP-28 is illegal in Turkey as of February 2016.

United StatesHDMP-28 is not explicitly controlled in the US, but it could possibly be considered an analog of a Schedule II substance (methylphenidate) under the Federal Analog Act.

SwitzerlandHDMP-28 is illegal

United KingdomHDMP-28 is a class B drug in the UK as of 31st May 2017 and is illegal to possess, produce or supply.

Sources

Bluelight: HDMP-28 or Methylnaphthidate Discussion Threadhttps://www.bluelight.org/community/threads/hdmp-28-or-methylnaphthidate.492618/
Bluelight: New Stimulant Methylnaphthidate Threadhttps://www.bluelight.org/community/threads/new-stimulant-methylnaphthidate-or-hdmp-28.739961/
Drug Users Bible by Dominic Milton Trotthttps://archive.org/details/the-drug-users-bible-harm-reduction-dominic-milton-trott
Erowid: HDMP-28 Experience Vaulthttps://erowid.org/experiences/subs/exp_HDMP28.shtml
Isomer Design (TiHKAL/PiHKAL)https://isomerdesign.com/PiHKAL/explore.php?id=10861
PsychonautWikihttps://psychonautwiki.org/wiki/Methylnaphthidate
The Drug Classroomhttps://thedrugclassroom.com/video/hdmp-28/
TripSit Factsheetshttps://tripbot.tripsit.me/api/tripsit/getDrug/hdmp-28
TripSit: HDMP-28 Factsheethttps://tripbot.tripsit.me/factsheet/HDMP-28
Wikipediahttps://en.wikipedia.org/wiki/HDMP-28

Methylnaphthidate

Contents

Dosage & Duration

Dosage

Duration

Reagent Testing

Pharmacology

Pharmacodynamics

Interactions

Dangerous

Legality

By Country

Sources

Further Reading

Methylnaphthidate

Contents

Dosage & Duration

Dosage

Duration

Reagent Testing

Pharmacology

Pharmacodynamics

Interactions

Dangerous

Legality

By Country

Sources

Further Reading