Polysorbate 20 (PS20) with no or low amount of the fatty acid myristic acid (MA) (< 100 µg/ml)

PS20 molecule
Monomeric molecular weight: 1.2 kDa
Oligomeric state: 0
Total molecular weight: 45.1 kDa
Chemical formula:

Ellipsoidal micelles containing 35 molecules. https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:53424