Paraben

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

It is sodium propyl 4-hydroxybenzoate having formula c10h13o3.

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.

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

Butylparaben, also butyl paraben, one of the parabens, has formula C4H9(C6H4(OH)COO). It is the butyl ester of p-hydroxybenzoic acid and is used as an antifungal preservative in cosmetics.

Butylparaben, also butyl paraben, one of the parabens, has formula C4H9(C6H4(OH)COO). It is the butyl ester of p-hydroxybenzoic acid and is used as an antifungal preservative in cosmetics.

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

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