3,4-Diethoxybenzoic acid

3,4-二乙氧基苯甲酸

Also known as: 3,4-diethoxybenzoic acid, 4,5-diethoxybenzoic acid, Benzoic acid, 3,4-diethoxy-, 3,4-Diaethoxy-benzoesaeure, Diaethylaetherprotocatechusaeure

3,4-Diethoxybenzoic acid (CAS 5409-31-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H14O4 and a molecular weight of 210.227 g/mol. It is also known as 3,4-diethoxybenzoic acid, 4,5-diethoxybenzoic acid and Benzoic acid, 3,4-diethoxy-. Key properties include a melting point of 167-169 °C(lit.), a boiling point of 330.2±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 125.4±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5409-31-4
Jingsj CID
J-48042-8
Molecular Formula
C11H14O4
Chinese Name
3,4-二乙氧基苯甲酸
Molecular Weight
210.227 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-169 °C(lit.)
Boiling Point330.2±22.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point125.4±15.8 °C

Frequently Asked Questions

What is the CAS number of 3,4-Diethoxybenzoic acid?

The CAS number of 3,4-Diethoxybenzoic acid is 5409-31-4.

What are the molecular formula and molecular weight of 3,4-Diethoxybenzoic acid?

3,4-Diethoxybenzoic acid has molecular formula C11H14O4 and molecular weight 210.227 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Diethoxybenzoic acid (CAS 5409-31-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48042-8 (accessed 2026-10-22).

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