5-chloro-4-phenyl-1,2,3-thiadiazole

5-氯-4-苯基-1,2,3-噻二唑

Also known as: 5-chloro-4-phenylthiadiazole, 1,2,3-Thiadiazole, 5-chloro-4-phenyl-, 4-phenyl-5-chloro-1,2,3-thiadiazole, 5-CHLORO-4-PHENYL-1,2,3-THIADIAZOLE, 5-Chlor-4-phenyl-1,2,3-thiadiazol

5-chloro-4-phenyl-1,2,3-thiadiazole (CAS 53646-00-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2S and a molecular weight of 196.65700 g/mol. It is also known as 5-chloro-4-phenylthiadiazole, 1,2,3-Thiadiazole, 5-chloro-4-phenyl- and 4-phenyl-5-chloro-1,2,3-thiadiazole. Key properties include a melting point of 93-95ºC, a boiling point of 301ºC at 760 mmHg, a density of 1.379 g/cm3 and a flash point of 135.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53646-00-7
Jingsj CID
J-865907-5
Molecular Formula
C8H5ClN2S
Chinese Name
5-氯-4-苯基-1,2,3-噻二唑
Molecular Weight
196.65700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point93-95ºC
Boiling Point301ºC at 760 mmHg
Density1.379 g/cm3
Flash Point135.9ºC

Frequently Asked Questions

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

The CAS number of 5-chloro-4-phenyl-1,2,3-thiadiazole is 53646-00-7.

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

5-chloro-4-phenyl-1,2,3-thiadiazole has molecular formula C8H5ClN2S and molecular weight 196.65700 g/mol.

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

Last updated:

How to cite: Jingsj. "5-chloro-4-phenyl-1,2,3-thiadiazole (CAS 53646-00-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-865907-5 (accessed 2026-10-24).

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