Chemically speaking, this molecule is "midway" in between Sorbitan Oleate and Sorbitan Trioleate, meaning that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but within a ratio of two:3 for this reason the "Sesqui" part in the molecule's identify. A subtropical plant that t