Specification of Tween 80
TWEEN 80 is the ester of polyethylene, with sorbitol
the calculated molecular weight 1310 dalton,
assuming 20 units of ethylene oxide, 1 sorbitol and 1
oleic acid as the major fatty acid 4.
Fatty acids
the constituents of the product is determined by the
Transesterification to produce fatty acids methyl ester,
identified by gas chromatography. Typical
the fatty acid composition is about 70% oleic
acids with b
