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106657 Sodium sulfite

106657
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7757-83-7 231-821-4 Na₂O₃S Na₂SO₃ 126.04 g/mol Reag. Ph Eur

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      Plastic bottle 500 g
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              1066579050
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                  Description
                  Catalogue Number106657
                  References
                  Product Information
                  CAS number7757-83-7
                  EC number231-821-4
                  GradeReag. Ph Eur
                  Hill FormulaNa₂O₃S
                  Chemical formulaNa₂SO₃
                  Molar Mass126.04 g/mol
                  HS Code2832 10 00
                  Quality LevelMQ300
                  Applications
                  Biological Information
                  Physicochemical Information
                  Density2.63 g/cm3 (20 °C)
                  Melting Point>500 °C (decomposition)
                  pH value8.8 - 10 (50 g/l, H₂O, 20 °C)
                  Bulk density1480 kg/m3
                  Solubility220 g/l
                  Dimensions
                  Materials Information
                  Toxicological Information
                  LD 50 oralLD50 Rat 2610 mg/kg
                  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 +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)97.0 - 100.5 %
                  Identitypasses test
                  Appearance of solutionpasses test
                  Insoluble matter≤ 0.005 %
                  Free acidpasses test
                  Titrable free base≤ 0.03 meq/g
                  Chloride (Cl)≤ 0.02 %
                  Thiosulfate (S₂O₃)≤ 0.1 %
                  Heavy metals (as Pb)≤ 0.0005 %
                  As (Arsenic)≤ 0.0001 %
                  Cu (Copper)≤ 0.0005 %
                  Fe (Iron)≤ 0.001 %
                  Pb (Lead)≤ 0.0005 %
                  Se (Selenium)≤ 0.0004 %
                  Zn (Zinc)≤ 0.001 %

                  Documentation

                  Sodium sulfite SDS

                  Title

                  Safety Data Sheet (SDS) 

                  Sodium sulfite Certificates of Analysis

                  Product Number PackagingSpecificationLot Number
                  1066570500 Plastic bottlePDF Specification Document
                  1066571000 Plastic bottlePDF Specification Document
                  1066575000 Plastic bottlePDF Specification Document
                  1066579050 Fibre cartonPDF Specification Document

                  Technical Info

                  Title
                  RQflex20 Reflectometer - Performance Qualification

                  Application Notes

                  Title
                  Analytical Quality Assurance, Standard for Sulfite

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