Thiophene-2-thiol

2-噻吩硫醇

Also known as: 2-Thiophenethiol, 2-Thienylthiol, 2-Mercaptothiophene, Thienylmercaptan, FEMA 3062, EINECS 231-881-1, MFCD00051666

Thiophene-2-thiol (CAS 7774-74-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4S2 and a molecular weight of 116.205 g/mol. It is also known as 2-Thiophenethiol, 2-Thienylthiol and 2-Mercaptothiophene. Key properties include a boiling point of 166.9±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 54.7±19.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7774-74-5
Jingsj CID
J-22931-7
Molecular Formula
C4H4S2
Chinese Name
2-噻吩硫醇
Molecular Weight
116.205 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point166.9±13.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point54.7±19.8 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Thiophene-2-thiol?

The CAS number of Thiophene-2-thiol is 7774-74-5.

What are the molecular formula and molecular weight of Thiophene-2-thiol?

Thiophene-2-thiol has molecular formula C4H4S2 and molecular weight 116.205 g/mol.

Is Thiophene-2-thiol hazardous?

Thiophene-2-thiol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Thiophene-2-thiol (CAS 7774-74-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22931-7 (accessed 2026-10-22).

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