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104593 Hydroxynaphthol blue

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Key Specifications Table

CAS #EC NumberHill FormulaMolar Mass
63451-35-4264-197-7C₂₀H₁₁N₂Na₃O₁₁S₃620.47 g/mol

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      Glass bottle 25 g
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      Catalogue Number104593
      Synonyms2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acidtrisodiumsalt
      Product Information
      CAS number63451-35-4
      EC number264-197-7
      Hill FormulaC₂₀H₁₁N₂Na₃O₁₁S₃
      Molar Mass620.47 g/mol
      HS Code2927 00 29
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      Biological Information
      Physicochemical Information
      pH value2 - 3 (10 g/l, H₂O, 20 °C)
      Bulk density330 kg/m3
      Solubility340 g/l
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Identity (UV/VIS-Spectrum)passes test
      Appearance of solution (3 g/l; water)passes test
      Absorption maximum λmax. (buffer pH 12.0; EDTA)645 - 650 nm
      Spec. Absorptivity A 1%/1cm (λmax.; 0.005 g/l; buffer pH 12.0; EDTA; calc. on dried substances)350 - 450
      Loss on Drying (105 °C)≤ 5 %
      Suitability as indicator (for metal titration)passes test
      Global Trade Item Number
      Catalog Number GTIN
      1045930025 04022536053158

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