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105056 Potassium disulfite

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
16731-55-8240-795-3K₂O₅S₂K₂S₂O₅222.33 g/molE 224

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1050565000
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      Plastic bottle 5 kg
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      Description
      Catalogue Number105056
      SynonymsPotassium metabisulfite, Potassium pyrosulfite
      References
      Product Information
      CAS number16731-55-8
      EC number240-795-3
      GradeE 224
      Hill FormulaK₂O₅S₂
      Chemical formulaK₂S₂O₅
      Molar Mass222.33 g/mol
      HS Code2832 20 00
      Quality LevelMQ400
      Applications
      Biological Information
      Physicochemical Information
      Melting Point150 °C (decomposition)
      pH value3.0 - 4.5 (50 g/l, H₂O, 20 °C)
      Bulk density1000 - 1300 kg/m3
      Solubility450 g/l
      Dimensions
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 2300 mg/kg
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H318: Causes serious eye damage.
      EUH031: Contact with acids liberates toxic gas.
      Precautionary Statement(s)P280: Wear eye protection/ face protection.
      P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
      P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
      Signal WordDanger
      RTECSTT4920000
      Storage class10 - 13 Other liquids and solids
      WGKWGK 1 slightly hazardous to water
      Disposal6
      Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E.
      Safety Information
      Categories of dangerirritant
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Declaration (railroad and road) ADR, RIDKein Gefahrgut
      Declaration (transport by air) IATA-DGRUN 3335 , 9, III
      Declaration (transport by sea) IMDG-CodeNo Dangerous Good
      Supplemental Information
      Specifications
      Assay (iodometric)95.0 - 101.0 %
      Assay (iodometric, SO₂)54.8 - 57.6 %
      Identitypasses test
      Appearance of solutionpasses test
      pH-value (5 %; water)3.0 - 4.5
      Chloride (Cl)≤ 0.05 %
      Heavy metals (as Pb)≤ 0.001 %
      Thiosulfate (S₂O₃)passes test
      As (Arsenic)≤ 0.0002 %
      Cu (Copper)≤ 0.0025 %
      Fe (Iron)≤ 0.0005 %
      Hg (Mercury)≤ 0.0001 %
      Pb (Lead)≤ 0.0002 %
      Se (Selenium)≤ 0.00025 %
      Zn (Zinc)≤ 0.0025 %
      Meets analytical specifications of Ph Eur, NF, E224
      conforms to Ph Eur, NF, E224
      conforms to Ph Eur, NF, E224
      Global Trade Item Number
      Catalogue Number GTIN
      1050565000 04022536060033

      Documentation

      Potassium disulfite SDS

      Title

      Safety Data Sheet (SDS) 

      Potassium disulfite Certificates of Analysis

      Product Number PackagingSpecificationLot Number
      1050565000 Plastic bottlePDF Specification Document

      Certificates

      Title

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