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116316 Methyl blue (C.I. 42780)

116316
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1163160050
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      Glass bottle 50 g
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      Description
      Catalogue Number116316
      SynonymsMethyl blue for microscopy and microbiology
      DescriptionMETHYL BLUE (C.I. 42780) FOR MICROSCOPY
      OverviewMethyl blue (C.I.42780) is a dry dye for the preparation of a color staining solution used for the polychrome staining of histological tissue sections of human origin.
      The dye is a CE certified IVD product and has a constant dye content and a reliable high quality, which is one of the major precondition for a reproducible diagnostic staining.
      References
      Product Information
      CAS number28983-56-4
      EC number249-352-9
      Hill FormulaC₃₇H₂₇N₃Na₂O₉S₃
      Molar Mass799.81 g/mol
      HS Code3204 19 00
      Structure formula ImageStructure formula Image
      Applications
      ApplicationDry dye used for polychromic staining of connective tissue
      Biological Information
      Physicochemical Information
      pH value5.0 (10 g/l, H₂O, 20 °C)
      Bulk density670 kg/m3
      Solubility70 g/l
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat > 5000 mg/kg
      Safety Information according to GHS
      RTECSDB5044700
      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
      Dye content (spectrophotometrically)≥ 60 %
      Identity
      - sodium

      passes test
      - UV/VIS-Spectrumpasses test
      Absorption maximum λ max (Hydrochloric acid 0.005 mol/l)595 - 605 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; hydrochloric acid 0.005 mol/l)675 - 1125
      TLC-Testpasses test
      Loss on drying (110 °C)≤ 7 %
      Suitability for microscopypasses test