2,4,5-Trimethoxyphenethylamine
2,4,5-Trimethoxyphenethylamine (2C-O or 2C-OMe) or is a phenethylamine of the 2C family and was first synthesized by Jansen in 1931. It is a positional isomer of the drug mescaline (3,4,5-trimethoxy).
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| Preferred IUPAC name 2-(2,4,5-Trimethoxyphenyl)ethan-1-amine | |
| Other names 2C-O; 2C-OMe; 2,4,5-TMPEA | |
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| Properties | |
| C11H17NO3 | |
| Molar mass | 211.261 g·mol−1 | 
| Melting point | 187 to 188 °C (369 to 370 °F; 460 to 461 K) | 
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| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Chemistry
    
2C-O is a member of a class of chemical compounds commonly known as phenethylamines. Its full chemical name is 2-(2,4,5-trimethoxyphenyl)ethanamine; it is also known as 2,4,5-trimethoxyphenethylamine and 2,4,5-TMPEA.
Effects
    
Although not centrally active itself, 2C-O appeared to potentiate the action of mescaline when employed as pretreatment 45 minutes prior to the administration of mescaline.[1]
Dangers
    
The toxicity of 2C-O is not known.
Law
    
    Canada
    
As of October 31, 2016, 2C-O is a controlled substance (Schedule III) in Canada.[2]
United States
    
2C-O is a Schedule I substance, as a positional isomer of mescaline.
United Kingdom
    
2C-O and all other compounds featured in PiHKAL are Class A drugs in the United Kingdom.
References
    
- Shulgin, Alexander; Shulgin, Ann (September 1991). PiHKAL: A Chemical Love Story. Berkeley, California: Transform Press. ISBN 0-9630096-0-5. OCLC 25627628.
- Government of Canada, Public Works and Government Services Canada (May 4, 2016). "Canada Gazette – Regulations Amending the Food and Drug Regulations (Part J — 2C-phenethylamines)". gazette.gc.ca.

