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101036 Chromium(III) potassium sulfate dodecahydrate


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Key Specifications 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
      Catalog Number GTIN
      1010360250 04022536014814


      Chromium(III) potassium sulfate dodecahydrate SDS


      Safety Data Sheet (SDS) 

      Chromium(III) potassium sulfate dodecahydrate Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      1010360250 Plastic bottlePDF Specification Document