Description Catalogue Number 100805 Synonyms Titanic anhydride, Titanium dioxide Product Information CAS number 13463-67-7 EC number 236-675-5 Grade Ph Eur,BP,USP,JP,E 171 Hill Formula O₂Ti Chemical formula TiO₂ Molar Mass 79.87 g/mol HS Code 2823 00 00 Physicochemical Information Boiling point 2900 °C (1013 hPa) Melting Point 1855 °C pH value 7 - 8 (100 g/l, H₂O, 20 °C) (slurry) Bulk density 850 kg/m3 Toxicological Information LD 50 oral LD50 Rat > 10000 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. Safety Information S Phrase S 22 Do not breathe dust. Storage and Shipping Information Storage Store at +5°C to +30°C. Specifications Assay (cerimetric, calculated on dried substance) 99.0 - 100.5 % Identity passes test Appearance of solution passes test Substances soluble in water (Hotextract) ≤ 0.50 % Substances soluble in water (Coldextract) ≤ 0.25 % Substances soluble in dilute hydrochloric acid ≤ 0.5 % Acidity or alkalinity passes test Aluminium oxide and/or Silicon dioxide ≤ 2.0 % Heavy metals (as Pb) ≤ 0.002 % Acid soluble barium (Ba) passes test Acid soluble antimony (Sb) ≤ 0.0002 % As (Arsenic) ≤ 0.0001 % Cd (Cadmium) ≤ 0.0001 % Fe (Iron) ≤ 0.02 % Hg (Mercury) ≤ 0.0001 % Pb (Lead) ≤ 0.001 % Sb (Antimony) ≤ 0.005 % Zn (Zinc) ≤ 0.005 % Residual solvents (Ph.Eur./USP/ICH) excluded by the manufacturing process Microbiological test (Total yeast and mould count (TYMC)) ≤ 100 CFU/g Microbiological test (Total aerobic microbial count (TAMC)) ≤ 100 CFU/g Particle Size (d10) ≥ 0.1 µm Particle Size (d50) about 0.8 µm Particle Size (d90) ≤ 2.5 µm Loss on ignition (800 °C) ≤ 0.50 % Loss on drying (105 °C; 3 h) ≤ 0.5 % Residues of metal catalysts or metal reagents acc.to EMEA/CH MP/SWP/4446/2000 are not likely to be present. Conforms to the purity criteria on food additives according to the current European Commission Regulation conforms to Ph Eur, BP, USP, JP, E171