Product Information CAS number 9005-64-5 EC number 500-018-3 Hill Formula C₅₈H₁₁₄O₂₆ Molar Mass 1228 g/mol HS Code 3402 13 00 Applications Application Tween® 20 for synthesis. CAS 9005-64-5, pH 6 - 8 (50 g/l, H₂O, 20 °C). Physicochemical Information Density 1.1 g/cm3 (25 °C) Flash point 275 °C pH value 6 - 8 (50 g/l, H₂O, 20 °C) Vapor pressure <1.4 hPa (20 °C) Solubility <0.2 mg/l soluble Toxicological Information LD 50 oral LD50 Rat 38900 mg/kg Safety Information according to GHS RTECS TR7400000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly 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. Storage and Shipping Information Storage Store below +30°C. Specifications Density (d 20 °C/ 4 °C) 1.095 - 1.105 Hydroxyl value 96 - 108 Saponification value 40 - 50 Identity (IR) passes test Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.