Thirumalai Chemicals Limited manufactures Diethyl Phthalate with Molecular Weight of 222. 24. Thirumalai Chemicals Limited also manufactures Maleic Anhydride, Malic Acid and various Fine Chemicals and Derivatives. The Diethyl Phthalate with Molecular Weight of 222.24 is used in the manufacture of perfumery, as a solvent for nitro-cellulose, in the manufacture of insecticides, as an additive in polysulphide rubber, as a dye accelerate, as alcohol denaturant etc. The Diethyl Phthalate with Molecular Weight of 222.24 is a colourless, odourless liquid.