3-Methylbenzoic acid
Also known as: m-Toluic acid, m-Methylbenzoic acid, meta-Toluic acid, 3-toluic acid, beta-methylbenzoic acid, m-toluylic acid, 3-Me-Ph-COOH, Benzoic acid, 3-methyl-, MFCD00002523
3-Methylbenzoic acid (CAS 99-04-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O2 and a molecular weight of 136.148 g/mol. Key properties include a melting point of 108 °C, a boiling point of 263.8±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 120.0±13.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99-04-7
- Jingsj CID
- J-1061401-3
- Molecular Formula
- C8H8O2
- Molecular Weight
- 136.148 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 108 °C |
|---|---|
| Boiling Point | 263.8±9.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 120.0±13.4 °C |
| Exact Mass | 136.052429 |
| PSA | 37.30000 |
| LogP | 2.36 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.556 |
| Additional Property | <0.1 g/100 mL at 19 ºC |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Methylbenzoic acid?
The CAS number of 3-Methylbenzoic acid is 99-04-7.
What are the molecular formula and molecular weight of 3-Methylbenzoic acid?
3-Methylbenzoic acid has molecular formula C8H8O2 and molecular weight 136.148 g/mol.
Is 3-Methylbenzoic acid hazardous?
3-Methylbenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 3-Methylbenzoic acid?
For 3-Methylbenzoic acid, Upstream Products: m-Xylene, 3-Bromotoluene, 3-Methylphenylzinc iodide; Downstream Products: 4-Methylphthalic acid, 5-Methyl-2-nitrobenzoic acid, 3-Methyl-4-nitrobenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylbenzoic acid (CAS 99-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1061401-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.