disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate

C.I. 颜料红 48

Also known as: CI 15865, Pigment Red 48, C.I. Pigment Red 48 disodium salt, C.I. Pigment Red No. 48, disodium salt, UNII-07XHK4SAV6, EINECS 222-642-2, disodium,(4Z)-4-[(5-chloro-4-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxonaphthalene-2-carboxylate, AKA405, Japan Red 405

disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate (CAS 3564-21-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H11ClN2Na2O6S and a molecular weight of 464.78700 g/mol. It is also known as CI 15865, Pigment Red 48 and C.I. Pigment Red 48 disodium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3564-21-4
Jingsj CID
J-1009764-7
Molecular Formula
C18H11ClN2Na2O6S
Chinese Name
C.I. 颜料红 48
Molecular Weight
464.78700 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate?

The CAS number of disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate is 3564-21-4.

What are the molecular formula and molecular weight of disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate?

disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate has molecular formula C18H11ClN2Na2O6S and molecular weight 464.78700 g/mol.

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

Last updated:

How to cite: Jingsj. "disodium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate (CAS 3564-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1009764-7 (accessed 2026-10-24).

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