Diethyl phthalate Cas no.: 84-66-2 H.S no.: 29173400 Molecular formula: c12h14o4 Molecular weight: 222.24 Structure: Appearance property: transparent, colorless or yellowish oily liquid, insoluble in organic solvents, with a slightly aromatic odor. Usage: use as plastic zing agent of cellulose resin, rubber and vinyl resin, and as fixative of essential oils, etc. Packing: net weight 200kg /barrel(steel drum, galvanized sheet iron barrel). Specification: Item Index Color and luster(apha) No.35 Ester content(wt%) 99.5min Relative density(20/29.8k) g/cm3 1.1180-1.122 Acid value(mg koh/g) 0.10max