E209 - Heptylparaben

Heptylparaben -heptyl p-hydroxybenzoate- is a compound with formula C7H15-C6H4OHCOO-. It is a paraben which is the heptyl ester of p-hydroxybenzoic acid. Heptylparaben has also been found to be produced in some microorganisms including Microbulbifer.As a food additive it has E number E209, and is used as a preservative. - Wikipedia