2,3-Dibromothiophene
Also known as: dibromothiophene, 2,3-dibromothiophene, 2,3-dibromo-thiophene, 2,3-dibromthiophen, Thiophene, 2,3-dibromo-, Thiophene,2,3-dibromo, Thiophene,3-dibromo, MFCD00005418, EINECS 221-542-6, NSC 99003, AKOS 91257, BUTTPARK 146\50-38
2,3-Dibromothiophene (CAS 3140-93-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2Br2S and a molecular weight of 241.932 g/mol. Key properties include a melting point of -17.5ºC, a boiling point of 221.9±20.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 51.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3140-93-0
- Jingsj CID
- J-5688-2
- Molecular Formula
- C4H2Br2S
- Molecular Weight
- 241.932 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -17.5ºC |
|---|---|
| Boiling Point | 221.9±20.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 51.7±0.0 °C |
| Exact Mass | 239.824387 |
| PSA | 28.24000 |
| LogP | 3.34 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.638 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H319 — Causes serious eye 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 2,3-Dibromothiophene?
The CAS number of 2,3-Dibromothiophene is 3140-93-0.
What are the molecular formula and molecular weight of 2,3-Dibromothiophene?
2,3-Dibromothiophene has molecular formula C4H2Br2S and molecular weight 241.932 g/mol.
Is 2,3-Dibromothiophene hazardous?
2,3-Dibromothiophene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2,3-Dibromothiophene?
For 2,3-Dibromothiophene, Upstream Products: 3-Bromothiophene, 2,3,5-Tribromothiophene, 4,5-Dibromothiophene-2-carboxylic acid; Downstream Products: 3,3'-Bithiophene, 2,2'-Bithiophene, 3,5-Dibromothiophene-2-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dibromothiophene (CAS 3140-93-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5688-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.