2-Mercapto-1,3,4-thiadiazole

2-巯基-1,3,4-噻二唑

Also known as: 1,3,4-Thiadiazole-2-thiol, 3H-1,3,4-thiadiazole-2-thione, MTD, Ceftezole Impurity 19, 2-mercapto-1,3,4-thiadiazol, 1,3,4-thiadiazole-2(3H)-thione

CAS No.
18686-82-3
Jingsj CID
J-1028343-1
Molecular Formula
C2H2N2S2
Chinese Name
2-巯基-1,3,4-噻二唑
Molecular Weight
118.181 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142-144°C
Boiling Point198.1±23.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point73.6±22.6 °C

Frequently Asked Questions

What is the CAS number of 2-Mercapto-1,3,4-thiadiazole?

18686-82-3

What are the molecular formula and molecular weight of 2-Mercapto-1,3,4-thiadiazole?

C2H2N2S2, molecular weight 118.181 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026