105056 Potassium disulfite

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

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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
          Quality LevelMQ500
          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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