2-Mercapto-5-methyl-1,3,4-thiadiazole

2-巯基-5-甲基-1,3,4-噻二唑

Also known as: 5-Methyl-1,3,4-thiadiazole-2-thiol, 5-Methyl-1,3,4-thiadiazole-2(3H)-thione, 2-Methyl-5-mercapto-1,3,4-thiadiazole, MMTD, Cefazolin impurity E, 1,3,4-Thiadiazole-2(3H)-thione, 5-methyl-, 2,3-Dihydro-5-methyl-1,3,4-thiadiazole-2-thione

2-Mercapto-5-methyl-1,3,4-thiadiazole (CAS 29490-19-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H4N2S2 and a molecular weight of 132.207 g/mol. It is also known as 5-Methyl-1,3,4-thiadiazole-2-thiol, 5-Methyl-1,3,4-thiadiazole-2(3H)-thione and 2-Methyl-5-mercapto-1,3,4-thiadiazole. Key properties include a melting point of 185-188 °C, a boiling point of 227.4±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 91.4±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

29490-19-5

Jingsj CID

J-12927-1

Molecular Formula

C₃H₄N₂S₂

Chinese Name

2-巯基-5-甲基-1,3,4-噻二唑

Molecular Weight

132.207 g/mol

Category

Organic Compounds

Last updated

8/21/2026