|Summary sheet: 2C-H|
|Molecular structure of 2C-H|
|Common names||2C-H, DMPEA|
|Psychoactive class||Stimulant / Psychedelic|
|Routes of Administration|
2,5-Dimethoxyphenethylamine (also known as 2C-H and DMPEA) is a lesser-known substituted phenethylamine that is the traditional precursor to 2C-B, 2C-C and 2C-I. It was first synthesized in 1932 by Johannes S. Buck and was later studied in the 1970s by Alexander Shulgin, who published his findings in his book PiHKAL.
Shulgin lists both the dosage and duration as unknown, as 2C-H is likely easily broken down by the MAO enzyme in the liver and is thus considered probably inactive. However, there are some anecdotal reports online suggesting that it may be active when taken sublingually. When combined with an MAOI, it may be orally active.
2C-H, or 2,5-dimethoxyphenethylamine, is a substituted phenethylamine featuring a phenyl ring bound to an amino (NH2) group through an ethyl chain. 2C-H contains methoxy functional groups CH3O- attached to carbons R2 and R5 as well as a hydrogen atom attached to carbon R4 of the phenyl ring. 2C-H belongs to the 2C family of phenethylamines which contain methoxy groups on the 2 and 5 positions of the benzene ring, and is also their simplest member. It is commonly used as a precursor to other compounds of the 2C family, including 2C-B, 2C-C, 2C-I, and 2C-N.
There is no record of 2C-H trials in humans, as it would likely be destroyed by monoamine oxidase enzymes before causing any significant psychoactive effects. Very little data exists about the pharmacological properties, metabolism, and toxicity of 2C-H. However, it has been shown to have binding affinity towards 5-HT2C and 5-HT2A receptors in rats.
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There are currently no anecdotal reports which describe the effects of this compound within our experience index. Additional experience reports can be found here:
Toxicity and harm potential
The toxicity and long-term health effects of recreational 2C-H use do not seem to have been studied in any scientific context and the exact toxic dose is unknown. This is because 2C-H is a research chemical with very little history of human usage. Independent research should always be done to ensure that a combination of two or more substances is safe before consumption.
It is strongly recommended that one use harm reduction practices when using this drug.
- Canada: As of October 31st, 2016, 2C-H is a controlled substance (Schedule III) in Canada, and is thus illegal to possess, produce and sell.
- United States: As of July 9, 2012, 2C-H is a Schedule I controlled substance in the United States, under the Synthetic Drug Abuse Prevention Act of 2012.
- United Kingdom - 2C-H is a Class A drug in the United Kingdom as a result of the phenethylamine catch-all clause.
- 2C-H (Wikipedia)
- 2C-H (PiHKAL / Isomer Design)
- 2C-H (Bluelight)
- 2C-H via 2,5-Dimethoxymandelonitrile (Rhodium/Erowid)
- So Happy, Very Happy 2C-H by PandaDoom (Erowid) | https://erowid.org/experiences/exp.php?ID=80334
- Shulgin, Alexander; Ann Shulgin (September 1991). PiHKAL: A Chemical Love Story. Berkeley, California: Transform Press. ISBN 0-9630096-0-5. OCLC 25627628.
- 2C-H BioAssay Results (PubChem) | https://pubchem.ncbi.nlm.nih.gov/compound/76632#section=BioAssay-Results
- United Kingdom. (1977). Misuse of Drugs Act 1971 (S.I. 1977/1243). London: The Stationery Office Limited. Retrieved July 5, 2017, from http://www.legislation.gov.uk/uksi/1977/1243/made