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105057 Potassium disulfite

for analysis EMSURE®

Potassium disulfite MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Potassium metabisulfite, Potassium pyrosulfite

CAS #: 16731-55-8 EC Number: 240-795-3 Molar Mass: 222.33 g/mol Chemical Formula: K₂S₂O₅ Hill Formula: K₂O₅S₂
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105057
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
16731-55-8240-795-3K₂O₅S₂K₂S₂O₅222.33 g/mol

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          Description
          Catalogue Number105057
          SynonymsPotassium metabisulfite, Potassium pyrosulfite
          References
          Product Information
          CAS number16731-55-8
          EC number240-795-3
          Hill FormulaK₂O₅S₂
          Chemical formulaK₂S₂O₅
          Molar Mass222.33 g/mol
          HS Code2832 20 00
          Quality LevelMQ300
          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 +2°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)≥ 96 %
          In water insoluble matter≤ 0.005 %
          Chloride (Cl)≤ 0.005 %
          As (Arsenic)≤ 0.0001 %
          Cu (Copper)≤ 0.001 %
          Fe (Iron)≤ 0.0005 %
          Pb (Lead)≤ 0.001 %
          Zn (Zinc)≤ 0.001 %
          Global Trade Item Number
          Catalogue Number GTIN
          1050571000 04022536060101
          1050572500 04022536060125