SX0785 Sodium Sulfite

SX0785
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberChemical FormulaMolar Mass
7757-83-7 231-821-4 Na₂SO₃ 126.04 g/mol

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SX0785-1
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              Description
              Catalogue NumberSX0785
              Alternate Names
              • Sodium Sulfite
              References
              Product Information
              CAS number7757-83-7
              EC number231-821-4
              Chemical formulaNa₂SO₃
              Molar Mass126.04 g/mol
              Quality LevelMQ200
              Applications
              Applicationanhydrous, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
              Key Applications General Chemistry
              Biological Information
              Physicochemical Information
              Melting Point>500 °C (decomposition)
              pH value8.8 - 10 (50 g/l, H₂O, 20 °C)
              Solubility220 g/l
              Dimensions
              Materials Information
              Toxicological Information
              Safety Information according to GHS
              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
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at room temperature.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Assay (iodometric)98.0% min
              Chloride (Cl)0.02% max
              Free acidTo pass test
              Heavy metals (as Pb)0.001% max
              Insoluble matter0.005% max
              Iron (Fe)0.001% max
              Titrable free base0.03meq/g max

              Documentation

              Sodium Sulfite SDS

              Title

              Safety Data Sheet (SDS) 

              Sodium Sulfite Certificates of Analysis

              TitleLot Number
              SX0785