Thiophene-2-thiol
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. 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. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7774-74-5
- Jingsj CID
- J-22931-2
- Molecular Formula
- C4H4S2
- Molecular Weight
- 116.205 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 166.9±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 54.7±19.8 °C |
| Exact Mass | 115.975441 |
| PSA | 67.04000 |
| LogP | 2.50 |
| Vapor Pressure | 2.3±0.3 mmHg at 25°C |
| Refractive Index | 1.636 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 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 and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Thiophene-2-thiol?
For Thiophene-2-thiol, Upstream Products: 2-Thiophenesulfonyl chloride, 2-Bromothiophene, 2-thienyllithium; Downstream Products: thiophene-3-thiol, Dithieno[3,2-b:2',3'-d]thiophene, 2,2'-Bithiophene.
Data compiled from public chemical databases such as PubChem 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-22931-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.