2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-

CAS 29120-26-1 · C20H14 N2 O11 S3 · 554.52 g/mol

Structure of 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-
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About 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-

2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]- (CAS 29120-26-1) is listed in the ChemSigma catalog. Its molecular formula is C20H14 N2 O11 S3 and its molecular weight is 554.52 g/mol. It is also known as 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-; hydroxynaphthol blue, free acid.

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 29120-26-1
Product name 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-
Synonyms 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4- sulfo-1-naphthalenyl)azo]-; hydroxynaphthol blue, free acid
Molecular formula C20H14 N2 O11 S3
Molecular weight 554.52 g/mol

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 1.777