3-Chlorothiophene
Also known as: 3-thienyl chloride, Thiophene, 3-chloro-, 3-Chlorothiophene, 98%, 3-Chlorothiophene, 98%, may contain up to 2% DMF
3-Chlorothiophene (CAS 17249-80-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3ClS and a molecular weight of 118.585 g/mol. Key properties include a boiling point of 133.9±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 37.2±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.
- 17249-80-8
- Jingsj CID
- J-1990813-5
- Molecular Formula
- C4H3ClS
- Molecular Weight
- 118.585 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 133.9±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 37.2±0.0 °C |
| Exact Mass | 117.964401 |
| PSA | 28.24000 |
| LogP | 2.55 |
| Vapor Pressure | 10.2±0.2 mmHg at 25°C |
| Refractive Index | 1.564 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H360 — May damage fertility or the unborn child
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 3-Chlorothiophene?
The CAS number of 3-Chlorothiophene is 17249-80-8.
What are the molecular formula and molecular weight of 3-Chlorothiophene?
3-Chlorothiophene has molecular formula C4H3ClS and molecular weight 118.585 g/mol.
Is 3-Chlorothiophene hazardous?
3-Chlorothiophene 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 3-Chlorothiophene?
For 3-Chlorothiophene, Upstream Products: 1,2-dichloroethylene, Acetylene, Vinylidene chloride; Downstream Products: 2-(3-Chlorothiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 3,3'-Bithiophene, 3-Chlorothiophene-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chlorothiophene (CAS 17249-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990813-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.