2-Thiophenecarbonitrile
Also known as: 2-Cyanothiophene, Thiophene-2-carbonitrile, 2-Thienonitrile, 2-Thenylcyanide
2-Thiophenecarbonitrile (CAS 1003-31-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3NS and a molecular weight of 109.149 g/mol. Key properties include a boiling point of 193.0±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 53.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-31-2
- Jingsj CID
- J-38448-5
- Molecular Formula
- C5H3NS
- Molecular Weight
- 109.149 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 193.0±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 53.3±0.0 °C |
| Exact Mass | 108.998619 |
| PSA | 52.03000 |
| LogP | 1.27 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.571 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 2-Thiophenecarbonitrile?
The CAS number of 2-Thiophenecarbonitrile is 1003-31-2.
What are the molecular formula and molecular weight of 2-Thiophenecarbonitrile?
2-Thiophenecarbonitrile has molecular formula C5H3NS and molecular weight 109.149 g/mol.
Is 2-Thiophenecarbonitrile hazardous?
2-Thiophenecarbonitrile has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of 2-Thiophenecarbonitrile?
For 2-Thiophenecarbonitrile, Upstream Products: Thiophene-2-carboxaldoxime, 2-Thiophenecarboxaldehyde, Ethyl 2-thiophenecarboxylate; Downstream Products: 5-(thiophen-2-yl)-2H-tetrazole, N'-hydroxy-2-thiophenecarboximidamide, 2-(2-Thienyl)pyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Thiophenecarbonitrile (CAS 1003-31-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38448-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.