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101036 Chromium(III) potassium sulfate dodecahydrate


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Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7788-99-0233-401-6CrKO₈S₂ * 12 H₂OKCr(SO₄)₂ * 12H₂O499.41 g/molACS,Reag. Ph Eur

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      Plastic bottle 250 g
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      Catalogue Number101036
      SynonymsPotassium chromium(III) sulfate, Alum chrome
      DescriptionChromium(III) potassium sulfate dodecahydrate
      Product Information
      CAS number7788-99-0
      EC number233-401-6
      GradeACS,Reag. Ph Eur
      Hill FormulaCrKO₈S₂ * 12 H₂O
      Chemical formulaKCr(SO₄)₂ * 12H₂O
      Molar Mass499.41 g/mol
      HS Code2833 30 00
      Quality LevelMQ300
      Biological Information
      Physicochemical Information
      Density1.83 g/cm3 (20 °C)
      Melting Point89 °C
      pH value3 (50 g/l, H₂O, 20 °C)
      Bulk density800 - 1000 kg/m3
      Solubility250 g/l
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H315: Causes skin irritation.
      H319: Causes serious eye irritation.
      Precautionary Statement(s)P264: Wash skin thoroughly after handling.
      P280: Wear protective gloves/ eye protection/ face protection.
      P302 + P352: IF ON SKIN: Wash with plenty of water.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      P332 + P313: If skin irritation occurs: Get medical advice/ attention.
      P337 + P313: If eye irritation persists: Get medical advice/ attention.
      Signal WordWarning
      Storage class10 - 13 Other liquids and solids
      WGKWGK 3 highly hazardous to water
      Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
      Safety Information
      Categories of dangerirritant
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Assay (iodometric)99.0 - 102.0 %
      Identitypasses test
      Insoluble matter≤ 0.01 %
      Chloride (Cl)≤ 0.002 %
      Heavy metals (as Pb)≤ 0.01 %
      Al (Aluminium)≤ 0.005 %
      Cu (Copper)≤ 0.001 %
      Fe (Iron)≤ 0.010 %
      NH₄ (Ammonium)≤ 0.010 %
      Pb (Lead)≤ 0.005 %
      Global Trade Item Number
      Catalogue Number GTIN
      1010360250 04022536014814