3-Hydroxy-2-methylbenzoic acid
3-羟基-2-甲基苯甲酸
Also known as: 3-Hydroxy-o-toluic acid, 2-Methyl-3-hydroxybenzoic acid, HMBA, NSC 73133, 3-HYDROXY-2-TOLUIC ACID
3-Hydroxy-2-methylbenzoic acid (CAS 603-80-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.147 g/mol. It is also known as 3-Hydroxy-o-toluic acid, 2-Methyl-3-hydroxybenzoic acid and HMBA. Key properties include a melting point of 143-148°C, a boiling point of 336.6±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 171.6±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 603-80-5
- Jingsj CID
- J-885271-1
- Molecular Formula
- C8H8O3
- Chinese Name
- 3-羟基-2-甲基苯甲酸
- Molecular Weight
- 152.147 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 143-148°C |
|---|---|
| Boiling Point | 336.6±30.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 171.6±21.1 °C |
Frequently Asked Questions
What is the CAS number of 3-Hydroxy-2-methylbenzoic acid?
The CAS number of 3-Hydroxy-2-methylbenzoic acid is 603-80-5.
What are the molecular formula and molecular weight of 3-Hydroxy-2-methylbenzoic acid?
3-Hydroxy-2-methylbenzoic acid has molecular formula C8H8O3 and molecular weight 152.147 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Hydroxy-2-methylbenzoic acid (CAS 603-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-885271-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.