2-methylphenethylamine 2-methylphenethylamine 2-methylphenethylamine (2mpea) is an organic compound with the chemical formula of c9h13n. 2mpea is a human trace amine associated receptor 1 (taar1) agonist, a property which it shares with its monomethylated phenethylamine isomers, such as amphetamine (α-methylphenethylamine), β-methylphenethylamine, and n-methylphenethylamine (a trace amine). 2-methylphenethylamine names preferred iupac name 2-(2-methylphenyl)ethan-1-amine other names 2-(2-methylphenyl)ethanamine2-methylbenzeneethanamine2-(o-tolyl)ethan-1-amine identifiers cas number [https://commonchemistry.cas.org/detail?cas_rn=55755-16-3 unii_ref = y 55755-16-3 unii_ref = y] y 3d model (jsmol) interactive image chembl chembl451372 y chemspider 1554538 y echa infocard 100.199.500 pubchem cid 2063868 unii b2vhm2w3x9 comptox dashboard (epa) dtxsid60366371 smiles cc1=cc=cc=c1ccn properties chemical formula c9h13n molar mass 135.210 g·mol−1 appearance clear colorless liquid at room temp density 0.96 g/cm3 boiling point 97 °c (207 °f; 370 k) / 5 mmhg (270.7984 °c / 760 mmhg) experimental hazards occupational safety and health (ohs/osh): main hazards corrosive; causes burns except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references very little data, even on toxicity, is available about its effects on humans other than that it activates the human taar1 receptor.