105056 Potassium disulfite

105056
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
      16731-55-8 240-795-3 K₂O₅S₂ K₂S₂O₅ 222.33 g/mol Ph Eur,NF,E 224

      Pricing & Availability

      Catalog Number AvailabilityPackaging Qty/Pack Price Quantity
      1050565000
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          Plastic bottle 5 kg
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          1050569029
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              Double PE Sack 25 kg
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              Description
              Catalogue Number105056
              SynonymsPotassium metabisulfite, Potassium pyrosulfite
              References
              Product Information
              CAS number16731-55-8
              EC number240-795-3
              GradePh Eur,NF,E 224
              Hill FormulaK₂O₅S₂
              Chemical formulaK₂S₂O₅
              Molar Mass222.33 g/mol
              HS Code2832 20 00
              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 Pictogram(s)
              Hazard Statement(s)H318: Causes serious eye damage.
              H335: May cause respiratory irritation.
              EUH031: Contact with acids liberates toxic gas.
              Precautionary Statement(s)P280: Wear eye 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.
              P313: Get medical advice/ attention.
              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
              Hazard Symbols Hazard SymbolsIrritant
              Categories of dangerirritant
              R PhraseR 31-37-41
              Contact with acids liberates toxic gas.Irritating to respiratory system.Risk of serious damage to eyes.
              S PhraseS 26-39
              In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +5°C to +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDKein Gefahrgut
              Declaration (transport by air) IATA-DGRNo Dangerous Good
              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 %
              Residual solvents (Ph Eur/USP/ICH)Excluded by manufacturing process
              Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
              conforms to Ph Eur, NF, E224

              Documentation

              Material Qualification Dossier

              Title

              Quality Management Dossier

              Title

              Operational Excellence Dossier

              Title

              Potassium disulfite SDS

              Title

              Safety Data Sheet (SDS) 

              Potassium disulfite Certificates of Analysis

              Product Number PackagingSpecificationLot Number
              1050565000 Plastic bottlePDF Specification Document
              1050569029 Double PE SackPDF Specification Document

              Certificates

              Title

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