... value of 4. Chemical name: Sorbitan MonooleateFormula: C24H44O6Cas No.: 1338-43-8E No.: E494Technical specification Fatty acid (w/ %): 73~77Sorbitol (w ... a lubricant, emulsifier component, in spin finish formulations CAS 1338-43-8,Sorbitan monooleate,Span 80,Sorbitan oleate,Emulsifier,E494