Ethyl 3,4-diaminobenzoate

Also known as: 3,4-diaminobenzoic acid ethyl ester, 4-(Ethoxycarbonyl)benzene-1,2-diamine, 4-(Ethoxycarbonyl)phenylene-1,2-diamine, 4-ethoxycarbonyl-o-phenylenediamine, Benzoic acid, 3,4-diamino-, ethyl ester

Ethyl 3,4-diaminobenzoate (CAS 37466-90-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O2 and a molecular weight of 180.20400 g/mol. Key properties include a melting point of 108-113 °C, a boiling point of 382.7ºC at 760mmHg, a density of 1.214g/cm3 and a flash point of 216.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 37466-90-3
Jingsj CID: J-20963-2
Molecular Formula: C₉H₁₂N₂O₂
Molecular Weight: 180.20400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	108-113 °C
Boiling Point	382.7ºC at 760mmHg
Density	1.214g/cm3
Flash Point	216.1ºC
Exact Mass	180.09000
PSA	78.34000
LogP	2.19010
Refractive Index	1.605

Customs & Trade Information

HS Code	2922499990
Summary	HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyl 3,4-diaminobenzoate?

The CAS number of Ethyl 3,4-diaminobenzoate is 37466-90-3.

What are the molecular formula and molecular weight of Ethyl 3,4-diaminobenzoate?

Ethyl 3,4-diaminobenzoate has molecular formula C9H12N2O2 and molecular weight 180.20400 g/mol.

What are the upstream and downstream products of Ethyl 3,4-diaminobenzoate?

For Ethyl 3,4-diaminobenzoate, Upstream Products: Ethanol, 3,4-Diaminobenzoic acid, ethyl 4-amino-3-nitrobenzoate; Downstream Products: ethyl quinoxaline-6-carboxylate, Quinoxaline-6-carboxylic acid, 5(6)-Carbethoxy-2-(4'-hydroxyphenyl)-benzimidazole.

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. "Ethyl 3,4-diaminobenzoate (CAS 37466-90-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20963-2 (accessed 2026-11-09).

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