4-Hydroxy-5-methylisophthalic acid
Also known as: 1,3-Benzenedicarboxylic acid, 4-hydroxy-5-methyl-, 4-Hydroxy-5-methyl-1,3-benzenedicarboxylic acid, 4-hydroxy-5-methylbenzene-1,3-dicarboxylic acid, 4-hydroxy-5-methylbenzene-1,3-dicarboxylic acid, Isophthalic acid, 4-hydroxy-5-methyl-, NSC 21480
4-Hydroxy-5-methylisophthalic acid (CAS 4365-31-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O5 and a molecular weight of 196.15700 g/mol. Key properties include a boiling point of 432.2ºC at 760mmHg, a density of 1.518g/cm3 and a flash point of 229.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4365-31-5
- Jingsj CID
- J-1451801-5
- Molecular Formula
- C9H8O5
- Molecular Weight
- 196.15700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 432.2ºC at 760mmHg |
|---|---|
| Density | 1.518g/cm3 |
| Flash Point | 229.3ºC |
| Exact Mass | 196.03700 |
| PSA | 94.83000 |
| LogP | 1.09700 |
| Refractive Index | 1.644 |
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-Hydroxy-5-methylisophthalic acid?
The CAS number of 4-Hydroxy-5-methylisophthalic acid is 4365-31-5.
What are the molecular formula and molecular weight of 4-Hydroxy-5-methylisophthalic acid?
4-Hydroxy-5-methylisophthalic acid has molecular formula C9H8O5 and molecular weight 196.15700 g/mol.
What are the upstream and downstream products of 4-Hydroxy-5-methylisophthalic acid?
For 4-Hydroxy-5-methylisophthalic acid, Upstream Products: diethyl 4-hydroxy-5-methylbenzene-1,3-dicarboxylate, Carbon tetrachloride, 3-Methylsalicylic acid; Downstream Products: o-Cresol, dimethyl 4-hydroxy-5-methylbenzene-1,3-dicarboxylate.
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-Hydroxy-5-methylisophthalic acid (CAS 4365-31-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451801-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.