2,5-Dichloro-1,3,4-thiadiazole

2,5-二氯-1,3,4-噻二唑

Also known as: 1,3,4-Thiadiazole, 2,5-dichloro-, 2,5-dichloro-1,3,4-thiadiazole, DICHLORO-1,3,4-THIADIAZOLE, NSC 222408

2,5-Dichloro-1,3,4-thiadiazole (CAS 32998-28-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2Cl2N2S and a molecular weight of 155.006 g/mol. It is also known as 1,3,4-Thiadiazole, 2,5-dichloro-, 2,5-dichloro-1,3,4-thiadiazole and DICHLORO-1,3,4-THIADIAZOLE. Key properties include a boiling point of 250.1±23.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 105.1±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32998-28-0
Jingsj CID
J-1506025-9
Molecular Formula
C2Cl2N2S
Chinese Name
2,5-二氯-1,3,4-噻二唑
Molecular Weight
155.006 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point250.1±23.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point105.1±22.6 °C

Frequently Asked Questions

What is the CAS number of 2,5-Dichloro-1,3,4-thiadiazole?

The CAS number of 2,5-Dichloro-1,3,4-thiadiazole is 32998-28-0.

What are the molecular formula and molecular weight of 2,5-Dichloro-1,3,4-thiadiazole?

2,5-Dichloro-1,3,4-thiadiazole has molecular formula C2Cl2N2S and molecular weight 155.006 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,5-Dichloro-1,3,4-thiadiazole (CAS 32998-28-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506025-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.