CAS No.
1338-39-2
Molecular Formula
C18H34O6
Molecular Weight
346.46
Structure Formula

Property
Span-20 is amber to brown oily liquid. non-toxic and odorless. Span-20 is slightly soluble in isopropanol, tetracarp, xylene, cotton seed oil, and mineral oil, slightly soluble in liquid paraffin and insoluble in water, HLB is 8.6.
Specifications
Item | Index |
---|---|
Appearance | Amber to brown oily liquid |
Acid value | 8mgKOH/g Max. |
Saponification value | 158-170mgKOH/g |
Hydroxyl value | 330-358mgKOH/g |
Water | 1.5% Max. |
Use
Span-20 is mainly used in medicine, cosmetics, textiles, etc. As water/oil type emulsifier, wetting agent, and lubricant.
Packing and Storage
200kg iron drum/plastic drum.
Handle with care. Span-20 should be stored in a cool, dry, and draughty place. Shelf life is 2 years. Then, Span-20 can still be used if qualified after re-check.
Keywords
Span-20, sorbitan laurate, emulsifier S-20