5-bromoisophthalic acid
Also known as: 5-bromo-1,3-benzenedicarboxylic acid, 5-bromobenzene-1,3-dicarboxylic acid, 1,3-Benzenedicarboxylic acid, 5-bromo-, 5-BROMOISOPHTHALIC ACID 96%, 5-Bromo-1,3-benzenedicarboxyic acid, 5-bromobenzene-1,3-dicarboxylate
5-bromoisophthalic acid (CAS 23351-91-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5BrO4 and a molecular weight of 245.02700 g/mol. Key properties include a melting point of 276-287 °C, a boiling point of 452.1ºC at 760 mmHg, a density of 1.875g/cm3 and a flash point of 227.2ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23351-91-9
- Jingsj CID
- J-1335170-7
- Molecular Formula
- C8H5BrO4
- Molecular Weight
- 245.02700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 276-287 °C |
|---|---|
| Boiling Point | 452.1ºC at 760 mmHg |
| Density | 1.875g/cm3 |
| Flash Point | 227.2ºC |
| Exact Mass | 243.93700 |
| PSA | 74.60000 |
| LogP | 1.84550 |
| Vapor Pressure | 5.8E-09mmHg at 25°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-bromoisophthalic acid?
The CAS number of 5-bromoisophthalic acid is 23351-91-9.
What are the molecular formula and molecular weight of 5-bromoisophthalic acid?
5-bromoisophthalic acid has molecular formula C8H5BrO4 and molecular weight 245.02700 g/mol.
Is 5-bromoisophthalic acid hazardous?
5-bromoisophthalic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of 5-bromoisophthalic acid?
For 5-bromoisophthalic acid, Downstream Products: 3-Bromo-5-cyanobenzoic acid, Dimethyl 5-bromoisophthalate, 5-bromoisophthalaldehyde.
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-bromoisophthalic acid (CAS 23351-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335170-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.