... :colorless transparent liquidMolecular Formula :CH3OOC(CH2)nCOOCH3 n=2, 3, 4Molecular Weight : 159 2.Specification : Index Name StandardIndex Name StandardEster Content ... .096Color No. (APHA) ≤25viscosity: 25 °C , cps 2.4Acid Number (mgKOH/g)≤0.15Distillation Range °C195-230refractive index ... container,we can mix different items in one container.2.Quality control,before shipment,free sample for test ...