N,N'-Terephthaloyldisulfanilic acid disodium salt

N,N'-对苯二甲酰二对氨基苯磺酸二钠盐

Also known as: N,N'-Terephthaloylbis(4-aminobenzenesulfonic acid) disodium salt, sodium 4-[[4-[(4-sulfophenyl)carbamoyl]benzoyl]amino]benzenesulfonate, N,N'-(Terephthaloyl)bis(4-aminobenzenesulfonic acid) disodium salt, NSC 55156

N,N'-Terephthaloyldisulfanilic acid disodium salt (CAS 72-15-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H16N2NaO8S2+ and a molecular weight of 499.46900 g/mol. It is also known as N,N'-Terephthaloylbis(4-aminobenzenesulfonic acid) disodium salt, sodium 4-[[4-[(4-sulfophenyl)carbamoyl]benzoyl]amino]benzenesulfonate and N,N'-(Terephthaloyl)bis(4-aminobenzenesulfonic acid) disodium salt. Key property: a density of 1.627g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 72-15-1
Jingsj CID: J-1036901-0
Molecular Formula: C₂₀H₁₆N₂NaO₈S₂
Chinese Name: N,N'-对苯二甲酰二对氨基苯磺酸二钠盐
Molecular Weight: 499.46900 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.627g/cm3

Frequently Asked Questions

What is the CAS number of N,N'-Terephthaloyldisulfanilic acid disodium salt?

The CAS number of N,N'-Terephthaloyldisulfanilic acid disodium salt is 72-15-1.

What are the molecular formula and molecular weight of N,N'-Terephthaloyldisulfanilic acid disodium salt?

N,N'-Terephthaloyldisulfanilic acid disodium salt has molecular formula C20H16N2NaO8S2+ and molecular weight 499.46900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N,N'-Terephthaloyldisulfanilic acid disodium salt (CAS 72-15-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036901-0 (accessed 2026-10-25).

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