4-ethoxycinnamic acid
Also known as: (2E)-3-(4-ethoxyphenyl)acrylic acid, (E)-3-(4-ethoxyphenyl)-2-propenoic acid, 3-(4-ethoxyphenyl)acrylic acid, 4-ethoxy-trans-cinnamic acid, p-ethoxycinnamic acid
4-ethoxycinnamic acid (CAS 2373-79-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O3 and a molecular weight of 192.211 g/mol. Key properties include a melting point of 195-199 °C(lit.), a boiling point of 353.2±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 139.2±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2373-79-7
- Jingsj CID
- J-17870-1
- Molecular Formula
- C11H12O3
- Molecular Weight
- 192.211 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-199 °C(lit.) |
|---|---|
| Boiling Point | 353.2±17.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 139.2±14.4 °C |
| Exact Mass | 192.078644 |
| PSA | 46.53000 |
| LogP | 2.89 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.579 |
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-ethoxycinnamic acid?
The CAS number of 4-ethoxycinnamic acid is 2373-79-7.
What are the molecular formula and molecular weight of 4-ethoxycinnamic acid?
4-ethoxycinnamic acid has molecular formula C11H12O3 and molecular weight 192.211 g/mol.
What are the upstream and downstream products of 4-ethoxycinnamic acid?
For 4-ethoxycinnamic acid, Upstream Products: Malonic acid, 4-Ethoxybenzaldehyde, 4-Hydroxybenzaldehyde; Downstream Products: 3-(4-Ethoxyphenyl)propanoic acid, Ethyl trans-4-ethoxycinnamate.
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-ethoxycinnamic acid (CAS 2373-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17870-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.