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111732 | Trypan blue (C.I. 23850)

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          Glass bottle 25 g
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          Catalogue Number111732
          SynonymsBenzamine blue, Tolidine-disazo-bis-8-amino-1-naphthol-3,6-disulfonic acid tetrasodium salt, 3,3'-Dimethyl-4,4'-bis(5-amino-4-hydroxy-2,7-disulfonaphthyl-3-azo)-[1,1'-biphenyl] tetrasodium salt
          DescriptionTRYPAN BLUE (C.I. 23850) FOR MICROSCOPY
          OverviewTrypan blue (C.I. 23850) is a dry dye for the preparation of a color staining solution, staining histological sample material of human origin, e.g. trichrome staining in collagenous connective tissue.
          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.
          Product Information
          CAS number72-57-1
          EC index number611-030-00-4
          EC number200-786-7
          Hill FormulaC₃₄H₂₄N₆Na₄O₁₄S₄
          Molar Mass960.79 g/mol
          HS Code3204 14 00
          Structure formula Image
          ApplicationTrypan blue (C.I. 23850) for microscopy. CAS 72-57-1, pH 9.8 (10 g/l, H₂O, 20 °C).
          Biological Information
          Physicochemical Information
          Melting Point>300 °C (decomposition)
          pH value9.8 (10 g/l, H₂O, 20 °C)
          Bulk density800 kg/m3
          Solubility10 g/l
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 6200 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s)
          Hazard Statement(s)H350: May cause cancer.
          Precautionary Statement(s)P201: Obtain special instructions before use.
          P308 + P313: IF exposed or concerned: Get medical advice/ attention.
          Storage class6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
          WGKWGK 3 highly water endangering
          Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).
          Safety Information
          Hazard Symbols Toxic
          Categories of dangercarcinogenic
          R PhraseR 45
          May cause cancer.
          S PhraseS 53-45
          Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +5°C to +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDKein Gefahrgut
          Declaration (transport by air) IATA-DGRNo Dangerous Good
          Declaration (transport by sea) IMDG-CodeNo Dangerous Good
          Supplemental Information
          Dye content (spectrophotometrically)≥ 80 %
          - sodium

          passes test
          - UV/VIS-Spectrumpasses test
          Absorption maximum λ max (water)590 - 600 nm
          Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water)650 - 820
          TLC-Testpasses test
          Loss on drying (110 °C)≤ 15 %
          Suitability for microscopypasses test