Benzoic acid esters are organic compounds made of benzoic acid with the hydroxyl functional group is substituted for a different functional group, such as a methyl group. These compounds are also known as benzoates.
Used as a preservative in foods, beverages and cosmetics. Methyl P-Hydroxybenzoate, MP Biomedicals is the methyl ester of p-hydroxybenzoic acid. It can be used to inhibit yeast growth and can also be used as an antimicrobial agent for Gram-positive anaero