106672 Sodium tungstate dihydrate

106672
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaChemical FormulaMolar Mass
      10213-10-2 236-743-4 Na₂O₄W * 2 H₂O Na₂WO₄ * 2 H₂O 329.86 g/mol

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      1066721000
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          Plastic bottle 1 kg
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          1066729025
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              Fibre carton 25 kg
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              Description
              Catalogue Number106672
              References
              Product Information
              CAS number10213-10-2
              EC number236-743-4
              Hill FormulaNa₂O₄W * 2 H₂O
              Chemical formulaNa₂WO₄ * 2 H₂O
              Molar Mass329.86 g/mol
              HS Code2841 80 00
              Applications
              Biological Information
              Physicochemical Information
              Density3.23 g/cm3 (20 °C)
              Melting Point100 °C Elimination of water of crystallisation
              pH value8 - 9 (50 g/l, H₂O, 20 °C)
              Bulk density1600 kg/m3
              Solubility730 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 1190 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Statement(s)H302: Harmful if swallowed.
              Signal WordWarning
              RTECSYO7900000
              Storage class10 - 13 Other liquids and solids
              WGKWGK 1 slightly hazardous to water
              Disposal14
              Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
              Safety Information
              Hazard Symbols Hazard SymbolsHarmful
              Categories of dangerharmful
              R PhraseR 22
              Harmful if swallowed.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +15°C to +25°C.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Assay (thermogravimetric)≥ 98 %
              Identity (x-ray diffraction)passes test
              Free alkali (as NaOH)≤ 0.1 %
              Chloride (Cl)≤ 0.01 %
              Sulfate (SO₄)≤ 0.02 %
              Total nitrogen (N)≤ 0.005 %
              Fe (Iron)≤ 0.002 %

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              Categories

              Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Salts EMSURE®, EMPLURA®