Description Catalogue Number 818604 Synonyms TBP Description Tributyl phosphate Product Information CAS number 126-73-8 EC index number 015-014-00-2 EC number 204-800-2 Hill Formula C₁₂H₂₇O₄P Chemical formula (C₄H₉O)₃PO Molar Mass 266.31 g/mol HS Code 2919 90 00 Structure formula Image Applications Application Tributyl phosphate for synthesis. CAS 126-73-8, EC Number 204-800-2, chemical formula (C₄H₉O)₃PO. Physicochemical Information Boiling point 289 °C (1013 hPa) (decomposition) Density 0.97 g/cm3 (20 °C) Evaporation number <0.001 Flash point 146 °C Ignition temperature 400 °C Melting Point -79 °C Vapor pressure 0.008 hPa (20 °C) Solubility 6 g/l Toxicological Information LD 50 oral LD50 Rat 1550 mg/kg LD 50 dermal LD50 Rabbit > 3100 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H302: Harmful if swallowed. H315: Causes skin irritation. H351: Suspected of causing cancer. H411: Toxic to aquatic life with long lasting effects. Precautionary Statement(s) P273: Avoid release to the environment. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P308 + P313: IF exposed or concerned: Get medical advice/ attention. RTECS TC7700000 Storage class 10 - 13 Other liquids and solids WGK WGK 2 water endangering Disposal 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Safety Information Hazard Symbols Harmful Categories of danger harmful, irritant, carcinogenic R Phrase R 22-38-40 Harmful if swallowed.Irritating to skin.Limited evidence of a carcinogenic effect. S Phrase S 36/37-46 Wear suitable protective clothing and gloves.If swallowed, seek medical advice immediately and show this container or label. Storage and Shipping Information Storage Store below +30°C. Specifications Assay (GC, area%) ≥ 99.0 % (a/a) Density (d 20 °C/ 4 °C) 0.976 - 0.978 Identity (IR) passes test