106507 Sodium dithionite

106507
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Overview

Replacement Information
Replacement InformationIn North America 1.06507.0500 replaces and is identical to SX0530-1

Key Specifications Table

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

Pricing & Availability

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1065070500
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      Metal can 500 g
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      1065072500
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          Metal can 2.5 kg
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          Description
          Catalogue Number106507
          ReplacesSX0530; SX0530-1
          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
          Quality LevelMQ300
          Applications
          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 Pictogram(s)
          Hazard Statement(s)H251: Self-heating: may catch fire.
          EUH031: Contact with acids liberates toxic gas.
          Signal WordDanger
          Storage class4.2 Pyrophoric and self-heating hazardous materials
          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
          Hazard Symbols Hazard SymbolsHarmful
          Hazard SymbolsOxidising
          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 %
          Identitypasses test
          Chloride (Cl)≤ 0.01 %
          Fe (Iron)≤ 0.002 %