5-Isopropyl-4H-1,2,4-triazole-3-thiol

5-异丙基-1,2-二氢-1,2,4-三唑-3-硫酮

Also known as: 5-isopropyl-1,2-dihydro-1,2,4-triazole-3-thione, 5-(propan-2-yl)-1,2-dihydro-3H-1,2,4-triazole-3-thione, 5-(propan-2-yl)-4H-1,2,4-triazole-3-thiol, 3-isopropyl-1H-1,2,4-triazole-5-thiol, 1H-1,2,4-triazole-5-thiol, 3-(1-methylethyl)-, 3H-1,2,4-triazole-3-thione, 1,2-dihydro-5-(1-methylethyl)-, 5-mercapto-3-isopropyl-1,2,4-triazole, 5-isopropyl-2,4-dihydro-[1,2,4]triazole-3-thione

5-Isopropyl-4H-1,2,4-triazole-3-thiol (CAS 59689-64-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9N3S and a molecular weight of 143.21000 g/mol. It is also known as 5-isopropyl-1,2-dihydro-1,2,4-triazole-3-thione, 5-(propan-2-yl)-1,2-dihydro-3H-1,2,4-triazole-3-thione and 5-(propan-2-yl)-4H-1,2,4-triazole-3-thiol. Key properties include a boiling point of 179.3ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 62.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59689-64-4
Jingsj CID
J-1487865-9
Molecular Formula
C5H9N3S
Chinese Name
5-异丙基-1,2-二氢-1,2,4-三唑-3-硫酮
Molecular Weight
143.21000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point179.3ºC at 760 mmHg
Density1.35g/cm3
Flash Point62.3ºC

Frequently Asked Questions

What is the CAS number of 5-Isopropyl-4H-1,2,4-triazole-3-thiol?

The CAS number of 5-Isopropyl-4H-1,2,4-triazole-3-thiol is 59689-64-4.

What are the molecular formula and molecular weight of 5-Isopropyl-4H-1,2,4-triazole-3-thiol?

5-Isopropyl-4H-1,2,4-triazole-3-thiol has molecular formula C5H9N3S and molecular weight 143.21000 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Isopropyl-4H-1,2,4-triazole-3-thiol (CAS 59689-64-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1487865-9 (accessed 2026-10-22).

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