Span-20

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