Chemically Talking, this molecule is "midway" amongst Sorbitan Oleate and Sorbitan Trioleate, indicating that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in the ratio of 2:3 consequently the "Sesqui" component during the molecule's title. Your own knowledge will be u