3-Ethoxybenzoic acid
Also known as: 3-Ethoxybenzoic acid, m-Ethoxybenzoic acid, Benzoic acid, 3-ethoxy-, 3-Aethoxy-benzoesaeure, MFCD00016517, EINECS 210-690-7
3-Ethoxybenzoic acid (CAS 621-51-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 136-140 °C(lit.), a boiling point of 305.6±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 124.1±13.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 621-51-2
- Jingsj CID
- J-1523593-5
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 136-140 °C(lit.) |
|---|---|
| Boiling Point | 305.6±15.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 124.1±13.9 °C |
| Exact Mass | 166.062988 |
| PSA | 46.53000 |
| LogP | 2.55 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.537 |
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-Ethoxybenzoic acid?
The CAS number of 3-Ethoxybenzoic acid is 621-51-2.
What are the molecular formula and molecular weight of 3-Ethoxybenzoic acid?
3-Ethoxybenzoic acid has molecular formula C9H10O3 and molecular weight 166.174 g/mol.
What are the upstream and downstream products of 3-Ethoxybenzoic acid?
For 3-Ethoxybenzoic acid, Upstream Products: 3-Ethoxybenzaldehyde, Ethyl 3-ethoxybenzoate, Diethyl sulfate; Downstream Products: Methyl 3-ethoxybenzoate, 1-(3-ethoxyphenyl)ethanone, 3-ethoxybenzoyl 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-Ethoxybenzoic acid (CAS 621-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523593-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.