Span 20, 40, 60, 80, 85 Synonyms: Sorbitan laurate; Sorbitan monododecanoate Span 20 1. General The units producing and marketing ... /320621HA047. Appearance: Yellowish ceraceous solid Chemical Name: Span 40 Synonyms: Sorbitan monopalmitate Molecular Formula: C22H42O6 Molecular Weight: ... anti-corrosion agent. 4. Package and Storage Package(for Span 20, 40, 60, 80): 200Kg / metal drum or 50Kg / plastic ...