4-Bromothiophene-2-carboxaldehyde
Also known as: 4-Bromo-2-thiophenecarboxaldehyde, 4-Bromo-2-formylthiophene, 4-Bromo-2-thenaldehyde, 4-Bromothiophene-2-carbaldehyde, 4-Bromothiophen-2-aldehyde, 4-bromo-thiophene-2-carbaldehyde, 2-Thiophenecarboxaldehyde, 4-bromo-, MFCD00005431
4-Bromothiophene-2-carboxaldehyde (CAS 18791-75-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3BrOS and a molecular weight of 191.046 g/mol. Key properties include a melting point of 44-46 °C(lit.), a boiling point of 241.4±0.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 108.3±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18791-75-8
- Jingsj CID
- J-11813-8
- Molecular Formula
- C5H3BrOS
- Molecular Weight
- 191.046 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 44-46 °C(lit.) |
|---|---|
| Boiling Point | 241.4±0.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 108.3±21.8 °C |
| Exact Mass | 189.908783 |
| PSA | 45.31000 |
| LogP | 1.85 |
| Vapor Pressure | 0.0±0.4 mmHg at 25°C |
| Refractive Index | 1.653 |
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 4-Bromothiophene-2-carboxaldehyde?
The CAS number of 4-Bromothiophene-2-carboxaldehyde is 18791-75-8.
What are the molecular formula and molecular weight of 4-Bromothiophene-2-carboxaldehyde?
4-Bromothiophene-2-carboxaldehyde has molecular formula C5H3BrOS and molecular weight 191.046 g/mol.
What are the upstream and downstream products of 4-Bromothiophene-2-carboxaldehyde?
For 4-Bromothiophene-2-carboxaldehyde, Upstream Products: 3-Bromothiophene, N,N-Dimethylformamide, 2-Thiophenecarboxaldehyde; Downstream Products: [2,2′-Bithiophene]-5-carbaldehyde, 4-Bromo-5-nitrothiophene-2-carbaldehyde, 3-(4-Bromo-2-thienyl)acrylic 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. "4-Bromothiophene-2-carboxaldehyde (CAS 18791-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11813-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.