Direct Red 75 tetrasodium salt

CAS 2829-43-8 · C33H22N8Na4O15S4 · 990.79 g/mol

Structure of Direct Red 75 tetrasodium salt
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About Direct Red 75 tetrasodium salt

Direct Red 75 tetrasodium salt (CAS 2829-43-8) is listed in the ChemSigma catalog. Its molecular formula is C33H22N8Na4O15S4 and its molecular weight is 990.79 g/mol. It is also known as 2-naphthalenesulfonicacid,5,5’-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]].

This page lists the product identifiers, the available pack sizes (500g, 100g, 10g, 1g) and how to obtain the Certificate of Analysis. A Certificate of Analysis is provided with every batch, and you can request the COA and product specification together with your quotation. Bulk quantities and custom packaging are available on request. Applications, storage, safety information and frequently asked questions are covered on the product details page.

Basic information

CAS number 2829-43-8
Product name Direct Red 75 tetrasodium salt
Synonyms 2-naphthalenesulfonicacid,5,5’-[carbonylbis[imino(2-sulfo-4,1-phenylene)azo]]
Molecular formula C33H22N8Na4O15S4
Molecular weight 990.79 g/mol
EC number 220-593-1

Certificate of Analysis

A Certificate of Analysis is provided with every batch. Request the COA and product specification together with your quotation.

Quote + COA & specification

Packaging

500g 100g 10g 1g

Bulk quantities and custom packaging are available on request.

Properties & storage

Refractive index 1.82