1-Ethyl-3-methylimidazolium p-toluenesulfonate

1-乙基-3-甲基咪唑鎓对甲苯磺酸盐

Also known as: 1-Ethyl-3-methylimidazolium tosylate, 1-Ethyl-3-methyl-1H-imidazol-3-ium 4-methylbenzenesulfonate, 1-Ethyl-3-methyl-3-imidazolium 4-methylbenzenesulfonate, 1-ethyl-3-methylimidazol-3-ium,4-methylbenzenesulfonate, [emim][tos], 1-ethyl-3-methylimidazolium p-toluensulfonate, MFCD03788929

1-Ethyl-3-methylimidazolium p-toluenesulfonate (CAS 328090-25-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H18N2O3S and a molecular weight of 282.35900 g/mol. It is also known as 1-Ethyl-3-methylimidazolium tosylate, 1-Ethyl-3-methyl-1H-imidazol-3-ium 4-methylbenzenesulfonate and 1-Ethyl-3-methyl-3-imidazolium 4-methylbenzenesulfonate. Key properties include a melting point of 25-35ºC and a density of 1.231 g/mL at 20ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

328090-25-1

Jingsj CID

J-45522-8

Molecular Formula

C₁₃H₁₈N₂O₃S

Chinese Name

1-乙基-3-甲基咪唑鎓对甲苯磺酸盐

Molecular Weight

282.35900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026