4-Ethoxyphenylacetic acid
Also known as: 2-(4-Ethoxyphenyl)acetic acid, 4-Ethoxybenzeneacetic acid, (p-Ethoxyphenyl)acetic acid, P-ETHOXYPHENYLACETIC ACID, Benzeneacetic acid, 4-ethoxy-, MFCD00004346, EINECS 225-545-3
4-Ethoxyphenylacetic acid (CAS 4919-33-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.201 g/mol. Key properties include a melting point of 87-90 °C(lit.), a boiling point of 318.5±17.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 125.8±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4919-33-9
- Jingsj CID
- J-20598-1
- Molecular Formula
- C10H12O3
- Molecular Weight
- 180.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 87-90 °C(lit.) |
|---|---|
| Boiling Point | 318.5±17.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 125.8±14.4 °C |
| Exact Mass | 180.078644 |
| PSA | 46.53000 |
| LogP | 1.95 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.531 |
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 4-Ethoxyphenylacetic acid?
The CAS number of 4-Ethoxyphenylacetic acid is 4919-33-9.
What are the molecular formula and molecular weight of 4-Ethoxyphenylacetic acid?
4-Ethoxyphenylacetic acid has molecular formula C10H12O3 and molecular weight 180.201 g/mol.
What are the upstream and downstream products of 4-Ethoxyphenylacetic acid?
For 4-Ethoxyphenylacetic acid, Upstream Products: ethyl 4-ethoxyphenylacetate, Diethyl sulfate, 4-Hydroxyphenylacetic acid; Downstream Products: ethyl 4-ethoxyphenylacetate, trans-4-octyl-α-chloro-4'-ethoxystilbene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Ethoxyphenylacetic acid (CAS 4919-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20598-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.