4,4'-Iminodibenzoic acid

Also known as: 4,4'-Iminodibenzoic acid, 4,4'-azanediyldibenzoic acid, 4,4'-dicarboxydiphenylamine, 4-[(4-carboxyphenyl)amino]benzoic acid, 4-(4-carboxyanilino)benzoic acid, Benzoic acid,4,4'-iminobis-, 4,4'-imino-di-benzoic acid, 4,4'-AZANEDIYLDIBENZOIC ACID

4,4'-Iminodibenzoic acid (CAS 20800-00-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H11NO4 and a molecular weight of 257.24100 g/mol. Key properties include a melting point of 322-324 °C, a boiling point of 514.3ºC at 760 mmHg, a density of 1.424g/cm3 and a flash point of 264.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20800-00-4
Jingsj CID: J-1086911-1
Molecular Formula: C₁₄H₁₁NO₄
Molecular Weight: 257.24100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	322-324 °C
Boiling Point	514.3ºC at 760 mmHg
Density	1.424g/cm3
Flash Point	264.9ºC
Exact Mass	257.06900
PSA	86.63000
LogP	2.89960
Vapor Pressure	2.1E-11mmHg at 25°C
Refractive Index	1.696

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 4,4'-Iminodibenzoic acid?

The CAS number of 4,4'-Iminodibenzoic acid is 20800-00-4.

What are the molecular formula and molecular weight of 4,4'-Iminodibenzoic acid?

4,4'-Iminodibenzoic acid has molecular formula C14H11NO4 and molecular weight 257.24100 g/mol.

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. "4,4'-Iminodibenzoic acid (CAS 20800-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086911-1 (accessed 2026-11-09).

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