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106528 | Sodium disulfite

106528
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaMolar MassGrade Value
      7681-57-4 231-673-0 Na₂O₅S₂ 190.11 g/mol ACS,Reag. Ph Eur

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      1065280100
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          Plastic bottle 100 g
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          1065280500
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              Plastic bottle 500 g
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              1065281000
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                  Plastic bottle 1 kg
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                  1065285000
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                      Plastic bottle 5 kg
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                      1065289050
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                          Fibre carton 50 kg
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                          Description
                          Catalogue Number106528
                          SynonymsSodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite
                          References
                          Product Information
                          CAS number7681-57-4
                          EC index number016-063-00-2
                          EC number231-673-0
                          GradeACS,Reag. Ph Eur
                          Hill FormulaNa₂O₅S₂
                          Molar Mass190.11 g/mol
                          HS Code2832 10 00
                          Applications
                          ApplicationSodium disulfite (sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur. CAS 7681-57-4, pH 3.5 - 5 (50 g/l, H₂O, 20 °C). MSDS and product info below.
                          Biological Information
                          Physicochemical Information
                          Density2.36 g/cm3 (20 °C)
                          Melting Point150 °C (decomposition)
                          pH value3.5 - 5 (50 g/l, H₂O, 20 °C)
                          Bulk density1000 - 1200 kg/m3
                          Solubility650 g/l
                          Dimensions
                          Materials Information
                          Toxicological Information
                          LD 50 oralLD50 Rat 1540 mg/kg
                          LD 50 dermalLD50 Rat > 2000 mg/kg
                          Safety Information according to GHS
                          Hazard Pictogram(s)

                          Hazard Statement(s)H302: Harmful if swallowed.
                          H318: Causes serious eye damage.
                          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.
                          RTECSUX8225000
                          Storage class10 - 13 Other liquids and solids
                          WGKWGK 1 slightly water endangering
                          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 Harmful
                          Categories of dangerharmful, irritant
                          R PhraseR 22-31-41
                          Harmful if swallowed.Contact with acids liberates toxic gas.Risk of serious damage to eyes.
                          S PhraseS 26-39-46
                          In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label.
                          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)98.0 - 100.5 %
                          Identitypasses test
                          Appearance of solutionpasses test
                          pH-value (5 %; water)3.5 - 5.0
                          Insoluble matter≤ 0.005 %
                          Chloride (Cl)≤ 0.005 %
                          Thiosulfate (S₂O₃)≤ 0.05 %
                          Thiosulphate (S₂O₃)passes test
                          Heavy metals (as Pb)≤ 0.001 %
                          As (Arsenic)≤ 0.0001 %
                          Fe (Iron)≤ 0.0005 %

                          Documentation

                          SDS

                          Title

                          Safety Data Sheet (SDS) 

                          Certificates of Analysis

                          Product Number PackagingSpecificationLot Number
                          1065280100 Plastic bottlePDF Specification Document
                          1065280500 Plastic bottlePDF Specification Document
                          1065281000 Plastic bottlePDF Specification Document
                          1065285000 Plastic bottlePDF Specification Document
                          1065289050 Fibre cartonPDF Specification Document

                          Technical Info

                          Title
                          Vitamin Biotin Assay Broth, 111989
                          Vitamin Pantothenic Acid Assay Broth, Base, 111993

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                          Categories

                          Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Salts EMSURE®, EMPLURA®
                          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Reduction Reagents
                          Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Salts for Pharmacopoeia Analysis