Dioctyl terephthalate/Bis(2-ethylhexyl)-1,4-benzenedicarboxylate

CAS number
EINECS number 229-176-9
Molecule structure

Application suggestion
OXSOFT GPO is suitable as a general purpose plasticizer. The properties are very similar as DOP and OXSOFT GPO can be used as a direct replacement for DOP but also for other general purpose phthalates like DINP.

Physical and chemical properties
Formula C24H38O4
Molecular Weight 390.6 g / mol
Appearance Clear colorless liquid
Boiling Point (°C) 383
Density (g/cm3, 20°C) 0.984
Odor slight
Water Solubility (mg / l, 20°C) 4
Viscosity (mPa*s, 25°C) 63
Property Limit Unit Test Method PQR
Appearance Clear Liquid   Visual Examination  
OXSOFT GPO min. 96 % (w / w) Gas Chromatography x
Ester Content min. 99.5 % (w / w) Gas Chromatography x
Free Alcohol max. 0.1 % (w / w) Gas Chromatography x
Water max. 0.05 % (w / w) ASTM D 1364 / ASTM E 203 x
Acid Number max. 0.05 mg KOH / g ASTM D 974 x
Platinum / Cobalt Color (Hazen / APHA Color) max. 20   ASTM D 5386 x