Aurintricarboxylic acid trisodium salt

金精三羧酸三钠盐

Also known as: Chrome Violet CG, C.I. Mordant Violet 39, Mordant Violet 39, Trisodium 5,5-(3-carboxylato-4-oxocyclohexa-2,5-dienylidenemethylene)di(salicylate), 5,5'-[[4-Oxo-3-(sodiooxycarbonyl)-2,5-cyclohexadien-1-ylidene]methylene]bis[2-hydroxybenzoic acid sodium] salt

Aurintricarboxylic acid trisodium salt (CAS 13186-45-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H11Na3O9 and a molecular weight of 488.28700 g/mol. It is also known as Chrome Violet CG, C.I. Mordant Violet 39 and Mordant Violet 39. Key properties include a boiling point of 759.6ºC at 760mmHg and a flash point of 427.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13186-45-3
Jingsj CID: J-1320507-8
Molecular Formula: C₂₂H₁₁Na₃O₉
Chinese Name: 金精三羧酸三钠盐
Molecular Weight: 488.28700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	759.6ºC at 760mmHg
Flash Point	427.1ºC
Exact Mass	488.01000
PSA	177.92000
Vapor Pressure	2.96E-24mmHg at 25°C

Frequently Asked Questions

What is the CAS number of Aurintricarboxylic acid trisodium salt?

The CAS number of Aurintricarboxylic acid trisodium salt is 13186-45-3.

What are the molecular formula and molecular weight of Aurintricarboxylic acid trisodium salt?

Aurintricarboxylic acid trisodium salt has molecular formula C22H11Na3O9 and molecular weight 488.28700 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. "Aurintricarboxylic acid trisodium salt (CAS 13186-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320507-8 (accessed 2026-10-28).

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