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Hydroxy naphthol blue disodium salt ACS, Sigma-Aldrich®

Fornecedor: SIGMA ALDRICH MICROSCOPY
Atenção

Sinônimos: Hydroxynaphthol blue sodium salt, Hydroxy napthol blue, Sodium (E)-3-hydroxy-4-((2-hydroxy-6-sulpho-3-sulphonatonaphthalen-1-yl)diazenyl)naphthalene-1-sulphonate

Nível de qualidade M-Clarity™ = MQ200

219916-100G 219916-5G
219916-100GEA 117 EUR
219916-100G 219916-5G
Hydroxy naphthol blue disodium salt ACS, Sigma-Aldrich®
Hydroxy naphthol blue disodium salt

Hydroxy naphthol blue disodium salt, ACS reagent.


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).

Fórmula: C₂₀H₁₂N₂O₁₁S₃·2Na
Peso Molecular: 598.479 g/mol
Ponto de Fusão: 274 °C
Densidade: 2,130 g/cm³
Temperatura de Armazenamento: Room Temperature
Número MDL : MFCD00004075
Número CAS: 165660-27-5

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Especificações dos Resultados do Teste

Appearance (Form) Powder or Crystals or Granules or Chunks
Suitability for Calcium Determination Pass
Meets ACS Requirements Current ACS Specification
Recommended Retest Period 3 Years


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