β-Naphthol Violet

CAS 7143-21-7 · C16H11 N3 O9 S2 . 2 Na · 453.40 g/mol

Structure of β-Naphthol Violet
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About β-Naphthol Violet

β-Naphthol Violet (CAS 7143-21-7) is listed in the ChemSigma catalog. Its molecular formula is C16H11 N3 O9 S2 . 2 Na and its molecular weight is 453.40 g/mol. It is also known as (4Z)-4-[(4-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonic 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 7143-21-7
Product name β-Naphthol Violet
Synonyms (4Z)-4-[(4-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
Molecular formula C16H11 N3 O9 S2 . 2 Na
Molecular weight 453.40 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 1.749