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116316 | Methyl blue (C.I. 42780)

116316
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      Overview

      Replacement Information

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      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      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 Image
          Applications
          ApplicationMethyl blue (C.I. 42780) for microscopy. CAS 28983-56-4, pH 5.0 (10 g/l, H₂O, 20 °C). MSDS and product info below.
          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 water endangering
          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
          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