Span 20 is a DfE approved nonionic surfactant, which is a mixture of partial ester of sorbitol and its anhydrides and is made from fatty acids such as lauric, palmitic, stearic, or oleic. It is lipophilic and generally soluble or dispersible in oil, forming water-in-oil emulsions. It is used for its excellent emulsification properties in personal care, industrial cleaning, fiber finish, crop protection, water treatment, paints and coatings, lubricants, and other industrial applications.
CAS # [1338-39-2]
Formula Weight 346.47
Chemical Synonym: sorbitan monolaurate
Appearance/Color: Yellow to yellow-green
density: 1.058 gm/ml
Purity (GC): > 44%
Usage: Span 20 is mainly used in medicine, cosmetics, textiles etc. as water/oil type emulsifier, wetting agent and lubricant.
SPAN is a registered trademark of ICI group, CRODA International PLC.
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