Paraben

Methylparaben, also methyl paraben, one of the parabens, has formula CH3(C6H4(OH)COO). It is the methyl ester of p-hydroxybenzoic acid.

Propylparaben, the propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods.

Propylparaben, the propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods.

Propylparaben, the propyl ester of p-hydroxybenzoic acid, occurs as a natural substance found in many plants and some insects, although it is manufactured synthetically for use in cosmetics, pharmaceuticals and foods.

A Solid (Powdered solid.) having formula C14-H12-O3.

It is sodium propyl 4-hydroxybenzoate having formula C10H13O3.

It is sodium methyl 4-hydroxybenzoate having formula C8H7NaO3.

Ethyl para-hydroxybenzoate, also called ethylparaben is the ethyl ester of p-hydroxybenzoic acid. Its formula is HO-C6H4-CO-O-CH2CH3.