3,4,5-Trimethoxybenzoic acid
Also known as: Trimethylgallic acid, 3,4,5-Trimethoxy-benzoic acid, Benzoic acid, 3,4,5-trimethoxy-, Eudesmic acid, Gallic acid trimethyl ether, Tri-O-methylgallic acid
3,4,5-Trimethoxybenzoic acid (CAS 118-41-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O5 and a molecular weight of 212.199 g/mol. Key properties include a melting point of 168-171 °C(lit.), a boiling point of 376.3±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 128.8±20.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 118-41-2
- Jingsj CID
- J-27980-1
- Molecular Formula
- C10H12O5
- Molecular Weight
- 212.199 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 168-171 °C(lit.) |
|---|---|
| Boiling Point | 376.3±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 128.8±20.0 °C |
| Exact Mass | 212.068466 |
| PSA | 64.99000 |
| LogP | 1.90 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.524 |
| Additional Property | SLIGHTLY SOLUBLE |
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 3,4,5-Trimethoxybenzoic acid?
The CAS number of 3,4,5-Trimethoxybenzoic acid is 118-41-2.
What are the molecular formula and molecular weight of 3,4,5-Trimethoxybenzoic acid?
3,4,5-Trimethoxybenzoic acid has molecular formula C10H12O5 and molecular weight 212.199 g/mol.
What are the upstream and downstream products of 3,4,5-Trimethoxybenzoic acid?
For 3,4,5-Trimethoxybenzoic acid, Upstream Products: 3,4,5-Trimethoxybenzyl alcohol, 3,4,5-Trimethoxybenzaldehyde, Methyl 3,4,5-trimethoxybenzoate; Downstream Products: Methyl 2-nitro-3,4,5-trimethoxybenzoate, Trimethobenzamide hydrochloride, 3,4,5-Trimethoxybenzoyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trimethoxybenzoic acid (CAS 118-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27980-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.