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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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          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
          Quality LevelMQ200
          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®