2,4-Dimethoxybenzoic acid
Also known as: 2,4-dimethoxybenzoic acid, 2,4-dimethoxybenzoic, 2,4-dimethoxy-benzoicaci, 2,4-dimethoxylbenzoic acid, 4-methoxy-2-methoxy benzoic acid, b-resorcylic acid dimethyl ether, O,O-dimethylresorcilic acid, Benzoic acid, 2,4-dimethoxy-, NSC 6316
2,4-Dimethoxybenzoic acid (CAS 91-52-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. Key properties include a melting point of 107-109 °C(lit.), a boiling point of 313.0±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 125.8±15.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91-52-1
- Jingsj CID
- J-48024-0
- Molecular Formula
- C9H10O4
- Molecular Weight
- 182.173 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 107-109 °C(lit.) |
|---|---|
| Boiling Point | 313.0±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 125.8±15.8 °C |
| Exact Mass | 182.057907 |
| PSA | 55.76000 |
| LogP | 1.44 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.533 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,4-Dimethoxybenzoic acid?
The CAS number of 2,4-Dimethoxybenzoic acid is 91-52-1.
What are the molecular formula and molecular weight of 2,4-Dimethoxybenzoic acid?
2,4-Dimethoxybenzoic acid has molecular formula C9H10O4 and molecular weight 182.173 g/mol.
Is 2,4-Dimethoxybenzoic acid hazardous?
2,4-Dimethoxybenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,4-Dimethoxybenzoic acid?
For 2,4-Dimethoxybenzoic acid, Upstream Products: 2,4-dimethoxybenzaldehyde, 1,3-Dimethoxybenzene, Methyl 2,4-dimethoxybenzoate; Downstream Products: 2,4-Dimethoxybenzoyl chloride, 2,4-Dimethoxybenzonitrile, 1,3-Dimethoxybenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dimethoxybenzoic acid (CAS 91-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48024-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.