115924 Nigrosine (C.I. 50420)

115924
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      Overview

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      Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
      1159240025
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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
          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 +5°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