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LC3419 Magnesium oxide GR for analysis Order number Packaging Quantity Price AC30419 Plastic bottle 100 g 47.25 AC30419 Plastic bottle 500 g 182.7 Product information Synonyms Magnesia usta Hill Formula MgO HS Code 2519 90 10 EC number 215-171-9 Molar mass 40.3 g/mol CAS number 1309-48-4 Chemical and physical data Solubility (20 C) practically insoluble Melting point 2800 C Molar mass 40.3 g/mol Density 3.58 g/cm3 (25 C) Bulk density 100 kg/m3 pH value 10.3 (H2O, 20 C) (saturated solution) Boiling point 3600 C (1000 hPa) Safety information according to GHS Precautionary Statement(s) P260: Do not breathe dust. RTECS OM3850000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Disposal 14Inorganic 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 S Phrase S 22Do not breathe dust. Transport information Declaration (transport by sea) IMDG-Code No Dangerous Good Declaration (transport by air) IATA-DGR No Dangerous Good Specifications Assay(complexometric) 97% Substances soluble in water 0.5% Substances insoluble in hydrochloric acid 0.10% Carbonate(as CO2) 1.5% Chloride (Cl) 0.01% Sulphate (SO4) 0.02% Total nitrogen (N) 0.002% Ca (Calcium) 0.10% Cu (Copper) 0.001% Fe (Iron) 0.005% K (Potassium) 0.005% Na (Sodium) 0.30% Pb (Lead) 0.001% Zn (Zinc) 0.0005% Barium and Strontium(as Ba) 0.005% Loss on ignition(1000C) 3.0%