3,4-Dimethylbenzoic acid
Also known as: asym.-o-Xylylic acid, o-Xylene-4-carboxylic acid, 3,4-diMeC6H4COOH, Benzoic acid, 3,4-dimethyl-, 3,4-Dimethyl-benzoesaeure, 3,4-dimethylbenzene carboxylic acid
3,4-Dimethylbenzoic acid (CAS 619-04-5) 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. Key properties include a melting point of 163-165 °C(lit.), a boiling point of 294.6±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 134.9±13.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 619-04-5
- Jingsj CID
- J-45469-3
- Molecular Formula
- C9H10O2
- 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 | 163-165 °C(lit.) |
|---|---|
| Boiling Point | 294.6±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 134.9±13.4 °C |
| Exact Mass | 150.068085 |
| PSA | 37.30000 |
| LogP | 2.82 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.550 |
Activity & Biological Data
| Additional Information | [1]. StefanSchmidt, et al. Isolation and identification of two novel butenolides as products of dimethylbenzoate metabolism by Rhodococcus rhodochrous N75. |
|---|
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 3,4-Dimethylbenzoic acid?
The CAS number of 3,4-Dimethylbenzoic acid is 619-04-5.
What are the molecular formula and molecular weight of 3,4-Dimethylbenzoic acid?
3,4-Dimethylbenzoic acid has molecular formula C9H10O2 and molecular weight 150.174 g/mol.
What are the upstream and downstream products of 3,4-Dimethylbenzoic acid?
For 3,4-Dimethylbenzoic acid, Upstream Products: 3',4'-Dimethylacetophenone, o-xylene, Carbon dioxide; Downstream Products: Methyl 3,4-dimethylbenzoate, 3,4-Dimethylbenzaldehyde, o-xylene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dimethylbenzoic acid (CAS 619-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45469-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.