propyl paraben preservative molecule. used in food and cosmetics. atoms are represented as spheres with conventional color coding

propyl paraben parabens free parabenfree preservative hydroxybenzoic acid ester food e216 hydroxybenzoate sodium e217 parahydroxybenzoate parahydroxybenzoic cancer carcinogenic toxic allergy dermatitis cosmetic deodorant deo xenoestrogen xenoestrogenic estrogen estrogenic endocrine disruptor carbon hydrogen oxygen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula