Benzoic acid, 4,4'-azoxybis-, diethyl ester

Also known as: AZOXYBENZENE-4,4'-DICARBOXYLIC ACID DIETHYL ESTER, Diethyl azoxybenzene-4,4'-dicarboxylate, 4,4'-Azoxybenzoic acid diethyl ester, Diethyl 4,4'-azoxydibenzoate, Benzoic acid, 4,4'-azoxydi-, diethyl ester, bis(p-benzenecarboxylicacid)diazene1-oxide,diethylester, bis(ethyl4-benzenecarboxylate)diazene1-oxide, NSC 401032, NSC 680513, 1,1'-diethyl 4,4'-(1-oxido-1,2-diazenediyl)bis[benzoate], (4-ethoxycarbonylphenyl)-(4-ethoxycarbonylphenyl)imino-oxidoazanium

Benzoic acid, 4,4'-azoxybis-, diethyl ester (CAS 6421-04-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H18N2O5 and a molecular weight of 342.34600 g/mol. Key properties include a boiling point of 499.9ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 256.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6421-04-1
Jingsj CID: J-46590-7
Molecular Formula: C₁₈H₁₈N₂O₅
Molecular Weight: 342.34600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	499.9ºC at 760 mmHg
Density	1.2g/cm3
Flash Point	256.1ºC
Exact Mass	342.12200
PSA	93.71000
LogP	4.48890
Refractive Index	1.564

Customs & Trade Information

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Benzoic acid, 4,4'-azoxybis-, diethyl ester?

The CAS number of Benzoic acid, 4,4'-azoxybis-, diethyl ester is 6421-04-1.

What are the molecular formula and molecular weight of Benzoic acid, 4,4'-azoxybis-, diethyl ester?

Benzoic acid, 4,4'-azoxybis-, diethyl ester has molecular formula C18H18N2O5 and molecular weight 342.34600 g/mol.

What are the upstream and downstream products of Benzoic acid, 4,4'-azoxybis-, diethyl ester?

For Benzoic acid, 4,4'-azoxybis-, diethyl ester, Upstream Products: Ethanol, Ethyl 4-nitrobenzoate, Benzocaine; Downstream Products: Benzocaine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Benzoic acid, 4,4'-azoxybis-, diethyl ester (CAS 6421-04-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46590-7 (accessed 2026-11-09).

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