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2C-T-4 Also known as:

  • 2,5-dimethoxy-4-(isopropylthio)phenethylamine
  • 2,5-dimethoxy-4-isopropylthiophenethylamine
  • 2-[2,5-dimethoxy-4-(propan-2-ylsulfanyl)phenyl]ethanamine
  • 2-[4-(Isopropylsulfanyl)-2,5-dimethoxyphenyl]ethanamin[German][ACD/IUPAC Name]
  • 2-[4-(Isopropylsulfanyl)-2,5-dimethoxyphenyl]ethanamine[ACD/IUPAC Name]
  • 2-[4-(Isopropylsulfanyl)-2,5-diméthoxyphényl]éthanamine[French][ACD/IUPAC Name]
  • 2-C-T-4
  • Benzeneethanamine, 2,5-dimethoxy-4-[(1-methylethyl)thio]-[ACD/Index Name]
  • 2-(4-Isopropylsulfanyl-2,5-dimethoxy-phenyl)-ethylamine
  • 2C-T-4
  • 4-Isopropylthio-2,5-dimethoxyphenethylamine
  • phenethylamine, 2,5-dimethoxy-4-isopropylthio-

A psychedelic phenethylamine that has a longer onset and duration compared to the more common 2C-T-x (2 and 7).


Common Name2,5-dimethoxy-4-(isopropylthio)phenethylamine
Systematic name2,5-dimethoxy-4-(isopropylthio)phenethylamine
Std. InChiInChI=1S/C13H21NO2S/c1-9(2)17-13-8-11(15-3)10(5-6-14)7-12(13)16-4/h7-9H,5-6,14H2,1-4H3
Avg. Mass255.3763 Da
Molecular Weight255.3763
Monoisotopic Mass255.129303 Da
Nominal Mass255
ChemSpider ID21106232

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Dose Chart


Duration Chart

2C-T-4 Duration Data
Onset30-120 minutes
Duration10-18 hours
After-effects4-8 hours


Information made possible with:

  1. PsychonautWiki is a community-driven online encyclopedia that aims to document the field of psychonautics in a comprehensive, scientifically-grounded manner.
  2. Erowid is a non-profit educational & harm-reduction resource with 60 thousand pages of online information about psychoactive drugs
  3. PubChem National Center for Bio Informatics
  4. Chemspider is a free chemical structure database providing fast access to over 34 million structures, properties and associated information.
  5. Wikipedia

Additional APIs were used to construct this information. Thanks to ChemSpider, NCBI, PubChem etc.

Data is constantly updated so please check back later to see if there is any more available information on this substance.