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

5-(乙基氨基)-1,3,4-噻二唑-2-硫醇

Also known as: 5-(ethylamino)-1,3,4-thiadiazole-2(3H)-thione, 5-(ethylamino)-3H-1,3,4-thiadiazole-2-thione, 1,3,4-Thiadiazole-2(3H)-thione, 5-(ethylamino)-, 2-ethylamino-5-mercapto-1,3,4-thiadiazole, 2-Ethylamino-5-mercapto-1,3,4-thiadiazol, 5-Aethylamino-2-mercapto-{1,3,4}thiadiazol, 5-ethylamino-2-mercapto-{1,3,4}thiadiazole

5-(ethylamino)-1,3,4-thiadiazole-2-thiol (CAS 55774-34-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H7N3S2 and a molecular weight of 161.24800 g/mol. It is also known as 5-(ethylamino)-1,3,4-thiadiazole-2(3H)-thione, 5-(ethylamino)-3H-1,3,4-thiadiazole-2-thione and 1,3,4-Thiadiazole-2(3H)-thione, 5-(ethylamino)-. Key properties include a boiling point of 224.9ºC at 760mmHg, a density of 1.54g/cm3 and a flash point of 89.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55774-34-0
Jingsj CID
J-1518894-6
Molecular Formula
C4H7N3S2
Chinese Name
5-(乙基氨基)-1,3,4-噻二唑-2-硫醇
Molecular Weight
161.24800 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point224.9ºC at 760mmHg
Density1.54g/cm3
Flash Point89.8ºC

Frequently Asked Questions

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

The CAS number of 5-(ethylamino)-1,3,4-thiadiazole-2-thiol is 55774-34-0.

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

5-(ethylamino)-1,3,4-thiadiazole-2-thiol has molecular formula C4H7N3S2 and molecular weight 161.24800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(ethylamino)-1,3,4-thiadiazole-2-thiol (CAS 55774-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518894-6 (accessed 2026-10-25).

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