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4-Ethylbenzoic acid

Also known as: p-Ethylbenzoic acid, Benzoic acid, 4-ethyl-, Benzoic acid, p-ethyl-, 4-Ethylbenzoic Acid, 4-ethylbenzoate, NSC 59888, EINECS 210-605-3, MFCD00002570, RARECHEM AL BO 1281

4-Ethylbenzoic acid (CAS 619-64-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.174 g/mol. Key properties include a melting point of 112-113 °C(lit.), a boiling point of 270.3±19.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 125.1±16.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
619-64-7
Jingsj CID
J-2660-8
Molecular Formula
C9H10O2
Molecular Weight
150.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-113 °C(lit.)
Boiling Point270.3±19.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point125.1±16.2 °C
Exact Mass150.068085
PSA37.30000
LogP2.89
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.547

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Ethylbenzoic acid?

The CAS number of 4-Ethylbenzoic acid is 619-64-7.

What are the molecular formula and molecular weight of 4-Ethylbenzoic acid?

4-Ethylbenzoic acid has molecular formula C9H10O2 and molecular weight 150.174 g/mol.

What are the upstream and downstream products of 4-Ethylbenzoic acid?

For 4-Ethylbenzoic acid, Upstream Products: 4-Acetylbenzoic acid, 4-Vinylbenzoic acid, 4-Ethylacetophenone; Downstream Products: 4-ethylbenzamide, 4-Ethylbenzaldehyde, Methyl 4-acetylbenzoate.

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-Ethylbenzoic acid (CAS 619-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2660-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.