Description Catalogue Number 840123 Synonyms Sorbitan monooleate, (Z)-Sorbitan mono-9-octadecenoate Product Information CAS number 1338-43-8 EC number 215-665-4 Hill Formula C₂₄H₄₄O₆ Molar Mass 428.60 g/mol HS Code 3824 99 92 Structure formula Image Applications Application Span® 80 for synthesis. CAS 1338-43-8, molar mass 428.60 g/mol. Physicochemical Information Boiling point >100 °C Density 1.0 g/cm3 (20 °C) Flash point >149 °C Vapor pressure <1.4 hPa (20 °C) Toxicological Information LD 50 oral LD50 Rat > 39800 mg/kg Safety Information according to GHS RTECS WG2932400 Storage class 10 Combustible liquids not in Storage Class 3 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 Hydroxyl value 193 - 209 Saponification value 149 - 160 Identity (IR) passes test Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.