Pigment Red 58:2

C.I.颜料红58:2

Also known as: calcium 4-[(4-chloro-3-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate, C.I. Pigment Red 58:2, 2-Naphthalenecarboxylic acid, 4-[(4-chloro-3-sulfophenyl)azo]-3-hydroxy-, calcium salt (1:1), 2-Naphthalenecarboxylic acid, 4-(2-(4-chloro-3-sulfophenyl)diazenyl)-3-hydroxy-, calcium salt (1:1), EINECS 231-411-5

Pigment Red 58:2 (CAS 7538-59-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H9CaClN2O6S and a molecular weight of 444.85900 g/mol. It is also known as calcium 4-[(4-chloro-3-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate, C.I. Pigment Red 58:2 and 2-Naphthalenecarboxylic acid, 4-[(4-chloro-3-sulfophenyl)azo]-3-hydroxy-, calcium salt (1:1). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7538-59-2
Jingsj CID
J-976024-8
Molecular Formula
C17H9CaClN2O6S
Chinese Name
C.I.颜料红58:2
Molecular Weight
444.85900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Pigment Red 58:2?

The CAS number of Pigment Red 58:2 is 7538-59-2.

What are the molecular formula and molecular weight of Pigment Red 58:2?

Pigment Red 58:2 has molecular formula C17H9CaClN2O6S and molecular weight 444.85900 g/mol.

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

Last updated:

How to cite: Jingsj. "Pigment Red 58:2 (CAS 7538-59-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-976024-8 (accessed 2026-10-24).

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