2-ethylthio-1,3,4-thiadiazole-5-thiol

Also known as: 5-(ethylthio)-1,3,4-thiadiazole-2-thiol, 2-ethylthio-5-mercapto-1,3,4-thiadiazole, 5-ethylsulfanyl-3H-1,3,4-thiadiazole-2-thione, 5-ethylthio-1,3,4-thiadiazole-2(3H)-thione

2-ethylthio-1,3,4-thiadiazole-5-thiol (CAS 37147-15-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H6N2S3 and a molecular weight of 178.29900 g/mol. Key properties include a melting point of 120-122ºC, a boiling point of 258ºC at 760mmHg, a density of 1.55g/cm3 and a flash point of 109.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37147-15-2
Jingsj CID: J-1430722-3
Molecular Formula: C₄H₆N₂S₃
Molecular Weight: 178.29900 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	120-122ºC
Boiling Point	258ºC at 760mmHg
Density	1.55g/cm3
Flash Point	109.8ºC
Exact Mass	177.96900
PSA	118.12000
LogP	1.93880
Refractive Index	1.764

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

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

The CAS number of 2-ethylthio-1,3,4-thiadiazole-5-thiol is 37147-15-2.

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

2-ethylthio-1,3,4-thiadiazole-5-thiol has molecular formula C4H6N2S3 and molecular weight 178.29900 g/mol.

What are the upstream and downstream products of 2-ethylthio-1,3,4-thiadiazole-5-thiol?

For 2-ethylthio-1,3,4-thiadiazole-5-thiol, Upstream Products: 2,5-Dimercapto-1,3,4-thiadiazole, Bromoethane, 1,3,4-Thiadiazole-2,5-dithiol dipotassium salt.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-ethylthio-1,3,4-thiadiazole-5-thiol (CAS 37147-15-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430722-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.