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106521 Sodium molybdate dihydrate

106521
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
10102-40-6 231-551-7 Na₂MoO₄ * 2 H₂O Na₂MoO₄ * 2 H₂O 241.95 g/mol ACS,Reag. Ph Eur

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              Description
              Catalogue Number106521
              References
              Product Information
              CAS number10102-40-6
              EC number231-551-7
              GradeACS,Reag. Ph Eur
              Hill FormulaNa₂MoO₄ * 2 H₂O
              Chemical formulaNa₂MoO₄ * 2 H₂O
              Molar Mass241.95 g/mol
              HS Code2841 70 00
              Quality LevelMQ300
              Applications
              Biological Information
              Physicochemical Information
              Density2.71 g/cm3 (22 °C) (for the dihydrate)
              Melting Point687 °C Elimination of water of crystallisation
              pH value9 - 10 (840 g/l, H₂O, 20 °C)
              Bulk density1000 - 1400 kg/m3
              Solubility840 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 4233 mg/kg
              LD 50 dermalLD50 Rat > 2000 mg/kg
              Safety Information according to GHS
              RTECSQA5085000
              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
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +2°C to +30°C.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Assay (precipitative titration)≥ 99.5 %
              pH-value (5 %; water, 25 °C)7.0 - 10.5
              Insoluble matter≤ 0.005 %
              Chloride (Cl)≤ 0.005 %
              Nitrate (NO₃)≤ 0.005 %
              Phosphate (PO₄)≤ 0.0005 %
              Phosphate, Arsenate, Silicate (as PO₄)≤ 0.001 %
              Sulfate (SO₄)≤ 0.005 %
              Heavy metals (as Pb)≤ 0.0005 %
              Fe (Iron)≤ 0.001 %
              NH₄ (Ammonium)≤ 0.001 %
              Pb (Lead)≤ 0.001 %