1.01180.0250 AMMONIUM HEPTAMOLYBDATE TETRAHYDRATE MERCK

Description Catalogue Number 101180 Synonyms Ammonium molybdate, Hexammonium heptamolybdate 4-hydrate Product Information CAS number 12054-85-2 EC number 234-722-4 Hill Formula H₂₄Mo₇N₆O₂₄ * 4 H₂O Chemical formula (NH₄)₆Mo₇O₂₄ * 4 H₂O Molar Mass 1235.86 g/mol HS Code 2841 70 00 Quality Level MQ100 Physicochemical Information Density 2.498 g/cm3 Melting Point 400 °C Elimination of water of crystallisation pH value 5.3 (50 g/l, H₂O, 20 °C) Bulk density 800 kg/m3 Solubility 400 g/l Safety Information according to GHS RTECS QA5076000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly hazardous to water Disposal 15 Heavy metal-containing solutions and solids: container E. Stir Raney nickel (also: Urushibara nickel) in the form of an aqueous suspension into hydrochloric acid (Cat. No. 100312) until dissolved (container E). Neither Raney nickel itself nor any filter residues should be allowed to dry out, otherwise they will spontaneously ignite in air. In this context, heavy metal means any compound of antimony, arsenic, cadmium, chromium(VI), copper, lead, nickel and tin, as well as these subtances in metallic form, if they are classified as hazardous (acc. to AbfallverzeichnisV - Waste Catalogue Ordinance, Appendix 3). Other heavy metals should be collected separately. Storage and Shipping Information Storage Store at +2°C to +30°C. Transport Information Declaration (railroad and road) ADR, RID Kein Gefahrgut Declaration (transport by air) IATA-DGR No Dangerous Good Declaration (transport by sea) IMDG-Code No Dangerous Good Specifications Assay (precipitative titration) 99.3 - 101.8 % Identity passes test Insoluble substances ≤ 0.005 % Chloride (Cl) ≤ 0.002 % Nitrate (NO₃) passes test Phosphate (PO₄) ≤ 0.0005 % Phosphate, Arsenate, Silicate (as PO₄) passes test Sulfate (SO₄) ≤ 0.02 % Heavy metals (as Pb) ≤ 0.001 % K (Potassium) ≤ 0.005 % Mg (Magnesium) ≤ 0.005 % Na (Sodium) ≤ 0.005 % Magnesium and alcali salts ≤ 0.02 %

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