sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate

酸性红42

Also known as: Acid Red 42, C.I. Acid Red 42, C.I.17070, 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[[2-(phenylsulfonyl)phenyl]azo]-, monosodium salt, 6-Amino-4-hydroxy-5-[[2-(phenylsulfonyl)phenyl]azo]-2-naphthalenesulfonic acid sodium salt, sodium 5-[2-[2-(benzenesulfonyl)phenyl]hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonate, EINECS 228-359-0

sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate (CAS 6245-60-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H16N3NaO6S2 and a molecular weight of 505.49900 g/mol. It is also known as Acid Red 42, C.I. Acid Red 42 and C.I.17070. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6245-60-9
Jingsj CID
J-1336852-8
Molecular Formula
C22H16N3NaO6S2
Chinese Name
酸性红42
Molecular Weight
505.49900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate?

The CAS number of sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate is 6245-60-9.

What are the molecular formula and molecular weight of sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate?

sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate has molecular formula C22H16N3NaO6S2 and molecular weight 505.49900 g/mol.

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

Last updated:

How to cite: Jingsj. "sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate (CAS 6245-60-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1336852-8 (accessed 2026-10-25).

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