5-Methoxyisophthalic acid
Also known as: 5-METHOXYISOPHTHALIC ACID, 5-methoxybenzene-1,3-dicarboxylic acid, 5-METHOXY-1,3 DICARBOXYLIC ACID, 5-METHOXY-ISOPHATHALIC ACID, 5-Methoxy-1,3-benzenedicarboxylic acid, 1,3-Benzenedicarboxylic acid, 5-methoxy-, MFCD00272364, Nsc302547
5-Methoxyisophthalic acid (CAS 46331-50-4) 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 196.157 g/mol. Key properties include a melting point of 275-280 °C(lit.), a boiling point of 440.8±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 183.6±18.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 46331-50-4
- Jingsj CID
- J-24058-4
- Molecular Formula
- C9H8O5
- Molecular Weight
- 196.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 275-280 °C(lit.) |
|---|---|
| Boiling Point | 440.8±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 183.6±18.1 °C |
| Exact Mass | 196.037170 |
| PSA | 83.83000 |
| LogP | 2.00 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.591 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-Methoxyisophthalic acid?
The CAS number of 5-Methoxyisophthalic acid is 46331-50-4.
What are the molecular formula and molecular weight of 5-Methoxyisophthalic acid?
5-Methoxyisophthalic acid has molecular formula C9H8O5 and molecular weight 196.157 g/mol.
What are the upstream and downstream products of 5-Methoxyisophthalic acid?
For 5-Methoxyisophthalic acid, Upstream Products: Dimethyl 5-methoxyisophthalate, 5-Hydroxyisophthalic acid, 3,5-Dimethylanisole; Downstream Products: 3,5-Bis(trifluoromethyl)anisole, 2-Methoxy-4,6-bis(trifluoromethyl)benzoic acid, Resorcinol.
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-Methoxyisophthalic acid (CAS 46331-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24058-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.