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115924 Nigrosine (C.I. 50420)

115924
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      Glass bottle 25 g
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      Description
      Catalogue Number115924
      DescriptionNIGROSINE (C.I. 50420) WATER-SOLUBLE FOR
      OverviewThe CERTISTAIN® dry dye Nigrosin (C.I. 50420) (watersoluble) is used for the preparation of a staining solution for the visualization of capsule (negative capsule staining) in bacteriological material of human origin.
      As CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications. As an IVD product and CE registered, it can be used hassle-free in diagnostics and laboratory accreditations.
      References
      Product Information
      CAS number101357-32-8
      EC number309-930-4
      HS Code3204 12 00
      Quality LevelMQ100
      Applications
      ApplicationCertistain® dry dye used to stain capsules and spores
      Biological Information
      Physicochemical Information
      pH value10 (10 g/l, H₂O, 20 °C)
      Bulk density750 kg/m3
      Solubility10 g/l
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 2 obviously hazardous to water
      Disposal3
      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 +2°C to +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Identity
      - sodium

      passes test
      - UV/VIS-Spectrumpasses test
      Absorption maximum λ max (ethanol 50 %)570 - 580 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; ethanol 50 %)200 - 300
      TLC-Testpasses test
      Loss on drying (110 °C)≤ 15 %
      Suitability for microscopypasses test