o-Tolylacetic acid
邻甲基苯乙酸
Also known as: 2-Methylphenylacetic acid, 2-Tolylacetic acid, o-Methylphenylacetic acid, ortho-tolylacetic acid, (2-Methylphenyl)acetic acid, 2-(2-methylphenyl)acetic acid
o-Tolylacetic acid (CAS 644-36-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.174 g/mol. It is also known as 2-Methylphenylacetic acid, 2-Tolylacetic acid and o-Methylphenylacetic acid. Key properties include a melting point of 88-90 °C(lit.), a boiling point of 279.3±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 176.5±13.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 644-36-0
- Jingsj CID
- J-48894-3
- Molecular Formula
- C9H10O2
- Chinese Name
- 邻甲基苯乙酸
- Molecular Weight
- 150.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 88-90 °C(lit.) |
|---|---|
| Boiling Point | 279.3±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 176.5±13.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of o-Tolylacetic acid?
The CAS number of o-Tolylacetic acid is 644-36-0.
What are the molecular formula and molecular weight of o-Tolylacetic acid?
o-Tolylacetic acid has molecular formula C9H10O2 and molecular weight 150.174 g/mol.
Is o-Tolylacetic acid hazardous?
o-Tolylacetic acid has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Tolylacetic acid (CAS 644-36-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48894-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.