A. T. Solvochem supplies Chemical Esters. A. T. Solvochem offers wide range of Chemicals, Petrochemicals and Industrial Polymers like Hydrocarbons, Alcohols, Glycol, Ketones, Esters, Chlorinated Solvents, Fragrance Chemicals, Monomers, etc. The Chemical Esters are Industrial Polymers are derived from carboxylic acids. A carboxylic acid contains an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl or ethyl, or one containing a benzene ring like phenyl.