2-hydroxy-3,4-dimethoxybenzoic acid
Also known as: 3,4-dimethoxysalicylic acid, 3,4-dimethoxy-2-hydroxybenzoic acid, 2-hydroxy-3,4-dimethoxy-benzoic acid, benzoic acid, 2-hydroxy-3,4-dimethoxy-, NSC 37414
2-hydroxy-3,4-dimethoxybenzoic acid (CAS 5653-46-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O5 and a molecular weight of 198.17300 g/mol. Key properties include a melting point of 170-172ºC, a boiling point of 334.2ºC at 760mmHg, a density of 1.335g/cm3 and a flash point of 134ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5653-46-3
- Jingsj CID
- J-18169-1
- Molecular Formula
- C9H10O5
- Molecular Weight
- 198.17300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 170-172ºC |
|---|---|
| Boiling Point | 334.2ºC at 760mmHg |
| Density | 1.335g/cm3 |
| Flash Point | 134ºC |
| Exact Mass | 198.05300 |
| PSA | 75.99000 |
| LogP | 1.10760 |
| Refractive Index | 1.566 |
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 2-hydroxy-3,4-dimethoxybenzoic acid?
The CAS number of 2-hydroxy-3,4-dimethoxybenzoic acid is 5653-46-3.
What are the molecular formula and molecular weight of 2-hydroxy-3,4-dimethoxybenzoic acid?
2-hydroxy-3,4-dimethoxybenzoic acid has molecular formula C9H10O5 and molecular weight 198.17300 g/mol.
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-hydroxy-3,4-dimethoxybenzoic acid (CAS 5653-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18169-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.