Description Catalogue Number 110982 Product Information CAS number 1312-81-8 EC number 215-200-5 Hill Formula La₂O₃ Molar Mass 325.82 g/mol HS Code 2846 90 10 Applications Application Lanthanum(III) oxide for atomic absorption spectroscopy. CAS 1312-81-8, pH 9.0 (50 g/l, H₂O, 20 °C) (slurry). Physicochemical Information Boiling point 4200 °C Density 6.51 g/cm3 (20 °C) Melting Point 2315 °C pH value 9.0 (50 g/l, H₂O, 20 °C) (slurry) Bulk density 1300 kg/m3 Toxicological Information LD 50 oral LD50 Rat > 9968 mg/kg Safety Information according to GHS Precautionary Statement(s) P260: Do not breathe dust. Storage class 10 - 13 Other liquids and solids WGK NWG not water endangering Disposal 27 Residues containing valuable recoverable metals should be forwarded for recycling. Container H. Storage and Shipping Information Storage Storage temperature: no restrictions. Specifications Assay (complexometric, on of the ignited basis substance) ≥ 99.5 % Chloride (Cl) ≤ 0.005 % Sulphate (SO₄) ≤ 0.005 % Heavy metals (as Pb) ≤ 0.002 % Ca (Calcium) ≤ 0.005 Cu (Copper) ≤ 0.0003 % Fe (Iron) ≤ 0.002 Li (Lithium) ≤ 0.0001 % Mg (Magnesium) ≤ 0.0003 %
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