2-Bromothiophene
Also known as: 2-Thienyl bromide, Thiophene, 2-bromo-, 2-bromanylthiophene, thien-2-yl bromide, thiophen-2-yl bromide, Clopidogrel Impurity 74, MFCD00005417
2-Bromothiophene (CAS 1003-09-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrS and a molecular weight of 163.036 g/mol. Key properties include a melting point of -10 °C, a boiling point of 150.0±0.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 47.1±19.8 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H300 and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-09-4
- Jingsj CID
- J-1124935-7
- Molecular Formula
- C4H3BrS
- Molecular Weight
- 163.036 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -10 °C |
|---|---|
| Boiling Point | 150.0±0.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 47.1±19.8 °C |
| Exact Mass | 161.913879 |
| PSA | 28.24000 |
| LogP | 2.75 |
| Vapor Pressure | 5.0±0.2 mmHg at 25°C |
| Refractive Index | 1.595 |
| Additional Property | IMMISCIBLE |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H300
- H318 — Causes serious eye damage
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-Bromothiophene?
The CAS number of 2-Bromothiophene is 1003-09-4.
What are the molecular formula and molecular weight of 2-Bromothiophene?
2-Bromothiophene has molecular formula C4H3BrS and molecular weight 163.036 g/mol.
Is 2-Bromothiophene hazardous?
2-Bromothiophene has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H300; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Bromothiophene?
For 2-Bromothiophene, Upstream Products: 2,5-Dibromothiophene, 3-Bromopyridine, 4-Chloro-2-(trimethylsilyl)pyridine; Downstream Products: 1-(5-Bromothien-2-yl)butan-1-one, 2-Bromo-5-(4-fluorophenyl)thiophene, 5,5'-Dibromo-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. "2-Bromothiophene (CAS 1003-09-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1124935-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.