5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol

5-(4-氯苯基)-1,3,4-噻二唑-2-硫醇

Also known as: 1,3,4-Thiadiazole-2(3H)-thione, 5-(4-chlorophenyl)-, 2-Mercapto-5-(4-chlorophenyl)-1,3,4-thiadiazole, 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2(3H)-thione, 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol, 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol, 96%, 5-(4-chlorophenyl)-3H-1,3,4-thiadiazole-2-thione, NSC 137056

5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol (CAS 63857-85-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2S2 and a molecular weight of 228.72200 g/mol. It is also known as 1,3,4-Thiadiazole-2(3H)-thione, 5-(4-chlorophenyl)-, 2-Mercapto-5-(4-chlorophenyl)-1,3,4-thiadiazole and 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2(3H)-thione. Key properties include a melting point of 205-208℃, a boiling point of 326.4ºC at 760mmHg, a density of 1.56g/cm3 and a flash point of 151.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63857-85-2
Jingsj CID
J-1584721-8
Molecular Formula
C8H5ClN2S2
Chinese Name
5-(4-氯苯基)-1,3,4-噻二唑-2-硫醇
Molecular Weight
228.72200 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point205-208℃
Boiling Point326.4ºC at 760mmHg
Density1.56g/cm3
Flash Point151.2ºC

Frequently Asked Questions

What is the CAS number of 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol?

The CAS number of 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol is 63857-85-2.

What are the molecular formula and molecular weight of 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol?

5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol has molecular formula C8H5ClN2S2 and molecular weight 228.72200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-thiol (CAS 63857-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1584721-8 (accessed 2026-10-25).

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