4-Ethoxybenzoic acid

4-乙氧基苯甲酸

Also known as: p-Ethoxybenzoic acid, p-Carboxyphenetole, 4-ethoxy benzoic acid, Benzoic acid, 4-ethoxy-, Benzoic acid, p-ethoxy-, Methisosildenafil Impurity 3, MFCD00002545, EINECS 210-616-3

4-Ethoxybenzoic acid (CAS 619-86-3) 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. It is also known as p-Ethoxybenzoic acid, p-Carboxyphenetole and 4-ethoxy benzoic acid. Key properties include a melting point of 197-199 °C(lit.), a boiling point of 291.2±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 117.1±13.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
619-86-3
Jingsj CID
J-8719-5
Molecular Formula
C9H10O3
Chinese Name
4-乙氧基苯甲酸
Molecular Weight
166.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point197-199 °C(lit.)
Boiling Point291.2±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point117.1±13.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Ethoxybenzoic acid?

The CAS number of 4-Ethoxybenzoic acid is 619-86-3.

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

4-Ethoxybenzoic acid has molecular formula C9H10O3 and molecular weight 166.174 g/mol.

Is 4-Ethoxybenzoic acid hazardous?

4-Ethoxybenzoic acid has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Ethoxybenzoic acid (CAS 619-86-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8719-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.