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106505 | Sodium dithionite

106505
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaChemical FormulaMolar Mass
      7775-14-6 231-890-0 Na₂O₄S₂ Na₂S₂O₄ 174.11 g/mol

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      1065051000
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          Metal can 1 kg
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          1065059050
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              Steel drum 50 kg
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              Description
              Catalogue Number106505
              SynonymsSodium hydrosulfite, Sodium hypodisulfite
              References
              Product Information
              CAS number7775-14-6
              EC index number016-028-00-1
              EC number231-890-0
              Hill FormulaNa₂O₄S₂
              Chemical formulaNa₂S₂O₄
              Molar Mass174.11 g/mol
              HS Code2831 10 00
              Applications
              ApplicationSodium dithionite technical grade. Sodium dithionite CAS No. 7775-14-6, EC Number 231-890-0. Sodium dithionite MSDS (material safety data sheet) or SDS here.
              Biological Information
              Physicochemical Information
              Density2.5 g/cm3 (20 °C)
              Flash point>100 °C
              Ignition temperature>200 °C
              Melting Point100 °C (decomposition)
              pH value5.5 - 8.5 (50 g/l, H₂O, 20 °C)
              Bulk density1250 kg/m3
              Solubility250 g/l (slow decomposition)
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 2500 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s)
              Hazard Statement(s)H251: Self-heating: may catch fire.
              EUH031: Contact with acids liberates toxic gas.
              Storage class4.2 Pyrophoric and self-heating hazardous materials
              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 Oxidising
              Harmful
              Categories of dangeroxidizing, harmful
              R PhraseR 7-22-31
              May cause fire.Harmful if swallowed.Contact with acids liberates toxic gas.
              S PhraseS 3/7-14
              Keep container tightly closed in a cool place.Keep away from .?.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +5°C to +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDUN 1384 , 4.2, II
              Declaration (transport by air) IATA-DGRUN 1384 , 4.2, II
              Declaration (transport by sea) IMDG-CodeUN 1384 , 4.2, II
              Supplemental Information
              Specifications
              Assay (iodometric)≥ 85.0 %
              Identitypasses test
              Chloride (Cl)≤ 0.05 %
              Fe (Iron)≤ 0.005 %