Acid Red 142

酸性红142

Also known as: C.I. Acid Red 142, C.I. Acid Red 142, disodium salt, Java Red A, Acid Red M, 6-Hydroxy-5-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt

Acid Red 142 (CAS 6406-66-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H16N4NaO7S2+ and a molecular weight of 535.50500 g/mol. It is also known as C.I. Acid Red 142, C.I. Acid Red 142, disodium salt and Java Red A. Key property: a density of 1.58g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6406-66-2
Jingsj CID
J-1362101-4
Molecular Formula
C22H16N4NaO7S2
Chinese Name
酸性红142
Molecular Weight
535.50500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.58g/cm3

Frequently Asked Questions

What is the CAS number of Acid Red 142?

The CAS number of Acid Red 142 is 6406-66-2.

What are the molecular formula and molecular weight of Acid Red 142?

Acid Red 142 has molecular formula C22H16N4NaO7S2+ and molecular weight 535.50500 g/mol.

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

Last updated:

How to cite: Jingsj. "Acid Red 142 (CAS 6406-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1362101-4 (accessed 2026-10-26).

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