Description Catalogue Number 800549 Product Information CAS number 122-52-1 EC number 204-552-5 Hill Formula C₆H₁₅O₃P Molar Mass 166.16 g/mol HS Code 2920 24 00 Structure formula Image Applications Application Triethylphosphite for synthesis. CAS 122-52-1. Physicochemical Information Boiling point 156 - 158 °C (1013 hPa) Density 0.956 g/cm3 (20 °C) Explosion limit 3.75 - 42.5 %(V) Flash point 52 °C Ignition temperature 250 °C Melting Point -112 °C Vapor pressure <6 hPa (20 °C) Toxicological Information LD 50 dermal LD50 Rabbit 2800 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H226: Flammable liquid and vapour. H317: May cause an allergic skin reaction. H412: Harmful to aquatic life with long lasting effects. Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking. P262: Do not get in eyes, on skin, or on clothing. P273: Avoid release to the environment. P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. RTECS TH 1130000 Storage class 3 Flammable liquids WGK WGK 1 slightly water endangering Disposal 1 Strongly contaminated halogen-free organic solvents: container A. Safety Information Hazard Symbols Irritant Categories of danger flammable, sensitizing, dangerous for the environment R Phrase R 10-43-52/53 Flammable.May cause sensitisation by skin contact.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. S Phrase S 24-37-61 Avoid contact with skin.Wear suitable gloves.Avoid release to the environment. Refer to special instructions/ Safety data sheets. Storage and Shipping Information Storage Storage temperature: no restrictions. Transport Information Declaration (railroad and road) ADR, RID UN 2323 , 3, III Declaration (transport by air) IATA-DGR UN 2323 , 3, III Declaration (transport by sea) IMDG-Code UN 2323 , 3, III Specifications Assay (GC, area%) ≥ 97.0 % (a/a) Density (d 20 °C/ 4 °C) 0.955 - 0.957 Identity (IR) passes test