5-Bromo-2-thiophenecarboxylic acid
Also known as: 5-Bromothiophene-2-carboxylic acid, 5-Bromothiophen-2-carboxylic acid, AKOS 92445, BUTTPARK 97\04-65, OTAVA-BB BB7110952611, RARECHEM AL BO 1503, 2-Thiophenecarboxylic acid, 5-bromo-, 5-Bromothiophene-2-carboxylicacid
5-Bromo-2-thiophenecarboxylic acid (CAS 7311-63-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3BrO2S and a molecular weight of 207.05 g/mol. Key properties include a melting point of 140 °C, a boiling point of 318.9±27.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 146.7±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7311-63-9
- Jingsj CID
- J-4842-0
- Molecular Formula
- C5H3BrO2S
- Molecular Weight
- 207.05 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140 °C |
|---|---|
| Boiling Point | 318.9±27.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 146.7±23.7 °C |
| Exact Mass | 205.903702 |
| PSA | 65.54000 |
| LogP | 2.47 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.650 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of 5-Bromo-2-thiophenecarboxylic acid?
The CAS number of 5-Bromo-2-thiophenecarboxylic acid is 7311-63-9.
What are the molecular formula and molecular weight of 5-Bromo-2-thiophenecarboxylic acid?
5-Bromo-2-thiophenecarboxylic acid has molecular formula C5H3BrO2S and molecular weight 207.05 g/mol.
Is 5-Bromo-2-thiophenecarboxylic acid hazardous?
5-Bromo-2-thiophenecarboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 5-Bromo-2-thiophenecarboxylic acid?
For 5-Bromo-2-thiophenecarboxylic acid, Upstream Products: 5-Bromothiophene-2-carbaldehyde, 2-Thiophenecarboxylic acid, 2,5-Dibromothiophene; Downstream Products: 5-(3-Thienyl)thiophene-2-carboxylic acid, Methyl 5-bromo-4-fluorothiophene-2-carboxylate, 5-Acetylthiophene-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. "5-Bromo-2-thiophenecarboxylic acid (CAS 7311-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4842-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.