4-Hydroxyphthalic acid
Also known as: 4-Hydroxy-1,2-benzenedicarboxylic acid, 3,4-Dicarboxyphenol, 1,2-Benzenedicarboxylic acid, 4-hydroxy-, 4-hydroxyphthalic acid, AKOS 237-77, RARECHEM AL BO 0808, MFCD00013984
4-Hydroxyphthalic acid (CAS 610-35-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O5 and a molecular weight of 182.130 g/mol. Key properties include a melting point of 191-194 °C, a boiling point of 468.3±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 251.2±23.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 610-35-5
- Jingsj CID
- J-1100895-0
- Molecular Formula
- C8H6O5
- Molecular Weight
- 182.130 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 191-194 °C |
|---|---|
| Boiling Point | 468.3±40.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 251.2±23.8 °C |
| Exact Mass | 182.021530 |
| PSA | 94.83000 |
| LogP | 0.67 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.666 |
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 4-Hydroxyphthalic acid?
The CAS number of 4-Hydroxyphthalic acid is 610-35-5.
What are the molecular formula and molecular weight of 4-Hydroxyphthalic acid?
4-Hydroxyphthalic acid has molecular formula C8H6O5 and molecular weight 182.130 g/mol.
What are the upstream and downstream products of 4-Hydroxyphthalic acid?
For 4-Hydroxyphthalic acid, Upstream Products: 4-Sulfophthalic acid, 4-Aminophthalic acid, 4-Methoxyphthalic acid; Downstream Products: Dimethyl 4-methoxyphthalate, 5-hydroxyisobenzofuran-1,3-dione, 4-Methoxyphthalic 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-Hydroxyphthalic acid (CAS 610-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100895-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.