2-Chloro-5-hydroxybenzoic acid
Also known as: 2-Chloro-5-hydroxybenzene carboxylic acid, 2-Chloro-5-hydroxybenzenecarboxylic acid, 3-Carboxy-4-chlorophenol, 6-chloro-3-hydroxybenzoic acid, Benzoic acid, 2-chloro-5-hydroxy-, 2-Chlor-5-hydroxy-benzoesaeure
2-Chloro-5-hydroxybenzoic acid (CAS 56961-30-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO3 and a molecular weight of 172.566 g/mol. Key properties include a melting point of 178-180ºC, a boiling point of 364.5±27.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 174.3±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 56961-30-9
- Jingsj CID
- J-1387599-5
- Molecular Formula
- C7H5ClO3
- Molecular Weight
- 172.566 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178-180ºC |
|---|---|
| Boiling Point | 364.5±27.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 174.3±23.7 °C |
| Exact Mass | 171.992722 |
| PSA | 57.53000 |
| LogP | 1.99 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.630 |
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Chloro-5-hydroxybenzoic acid?
The CAS number of 2-Chloro-5-hydroxybenzoic acid is 56961-30-9.
What are the molecular formula and molecular weight of 2-Chloro-5-hydroxybenzoic acid?
2-Chloro-5-hydroxybenzoic acid has molecular formula C7H5ClO3 and molecular weight 172.566 g/mol.
What are the upstream and downstream products of 2-Chloro-5-hydroxybenzoic acid?
For 2-Chloro-5-hydroxybenzoic acid, Upstream Products: 5-Amino-2-chlorobenzoic acid, 3-Hydroxybenzoic acid, 4-Chlorophenol; Downstream Products: 2-Chlorobenzyl alcohol, 4-Chlorophenol, 2-Chloro-5-methoxybenzoic 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. "2-Chloro-5-hydroxybenzoic acid (CAS 56961-30-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1387599-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.