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Hydroxy Naphthol Blue Disodium Salt, Sigma-Aldrich

Catalog No. 01259037 Shop All MilliporeSigma Supelco Products
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01-259-037 100 g
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Catalog No. 01-259-037 Supplier MilliporeSigma Supelco Supplier No. 219916100G
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Description

Hydroxy naphthol blue disodium salt is a chemical compound belonging to the class of azo dyes commonly used as a pH indicator. It exists as small blue crystals. Hydroxy naphthol blue is suitable for the quantification of metal leaching in metal affinity chromatography. It changes color at pH range 12 to 13 from blue to reddish pink, in the presence of calcium ions and to deep blue in the presence of disodium ethylenediaminetetraacetic acid (EDTA).

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 165660-27-5
Molecular Weight (g/mol) 598.49 g/mol

Specifications

Grade ACS
Color Blue to Red
pH 7.9
Quantity 100 g
Chemical Name or Material Hydroxy naphthol blue disodium salt
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