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101047 Aluminium potassium sulfate dodecahydrate

101047
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7784-24-9 233-141-3 AlKO₈S₂ * 12 H₂O KAl(SO₄)₂ * 12 H₂O 474.39 g/mol ACS,Reag. Ph Eur

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      1010479025
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          Description
          Catalogue Number101047
          SynonymsPotassium aluminium sulfate, Alum potassium, Potassium alum
          References
          Product Information
          CAS number7784-24-9
          EC number233-141-3
          GradeACS,Reag. Ph Eur
          Hill FormulaAlKO₈S₂ * 12 H₂O
          Chemical formulaKAl(SO₄)₂ * 12 H₂O
          Molar Mass474.39 g/mol
          HS Code2833 30 00
          Quality LevelMQ300
          Applications
          Biological Information
          Physicochemical Information
          Density1.75 g/cm3 (20 °C)
          Melting Point92 °C
          pH value3.0 - 3.5 (100 g/l, H₂O, 20 °C)
          Bulk density900 kg/m3
          Solubility139 g/l
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          RTECSWS5690000
          Storage class10 - 13 Other liquids and solids
          WGKWGK 1 slightly hazardous to water
          Disposal14
          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
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +2°C to +30°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Assay (complexometric)99.0 - 100.5 %
          Identitypasses test
          Appearance of solutionpasses test
          Insoluble matter≤ 0.005 %
          pH-value (10 %; in water)3.0 - 3.5
          Chloride (Cl)≤ 0.0005 %
          Heavy metals (as Pb)≤ 0.001 %
          Cd (Cadmium)≤ 0.0005 %
          Cu (Copper)≤ 0.0005 %
          Fe (Iron)≤ 0.0005 %
          Na (Sodium)≤ 0.005 %
          NH₄ (Ammonium)≤ 0.005 %
          Pb (Lead)≤ 0.0005 %
          Corresponds to ACS,Reag. Ph Eur