Chemically Talking, this molecule is "midway" in between Sorbitan Oleate and Sorbitan Trioleate, that means that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in a ratio of two:three for this reason the "Sesqui" section while in the molecule's title. Aside from having a