100211 Carminic acid (C.I. 75470)

100211
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      Glass bottle 5 g
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      Description
      Catalogue Number100211
      DescriptionCARMINIC ACID (C.I. 75470) GR FOR ANALYS
      OverviewThe dye Carminic acid (C.I. 75470) is used to prepare dye-solutions. Together with a mordant solution of lithium, aluminium or boron it is used as a lake for staining. Carminic acid is applied for various stainings, e.g. for the detection of glycogen and mucous substances (Best's carmine), for nucelar staining or for vital staining. CE-certified, IVD product.
      References
      Product Information
      CAS number1260-17-9
      EC number215-023-3
      Hill FormulaC₂₂H₂₀O₁₃
      Molar Mass492.39 g/mol
      HS Code3203 00 90
      Structure formula ImageStructure formula Image
      Applications
      ApplicationCarminic acid (C.I. 75470) For staining nuclei in histological sections. Used to prepare staining solutions.
      CAS 1260-17-9, pH 1.6 (10 g/l, H₂O, 20 °C).
      Biological Information
      Physicochemical Information
      Melting Point136 °C (decomposition)
      pH value1.6 (10 g/l, H₂O, 20 °C)
      Bulk density490 kg/m3
      Solubility30 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
      Assay (spectrophotometrically; calculated on dried substance)≥ 92 %
      Identity (UV/VIS-Spectrum)passes test
      Absorption maximum λ max (Hydrochloric acid 0.06 mol/l)492 - 495 nm
      Spec. Absorptivity A 1%/1cm (λmax; 0.014 g/l; Hydrochloric acid 0.06 mol/l; calc. on dried substance)160 - 187
      Loss on drying (110 °C)≤ 10 %
      Suitability for microscopypasses test