Dioctyl terephthalate

Dioctyl terephthalate
  • CAS No.:6422-86-2
Other grades of this product :
Dioctyl terephthalate Basic information
Product Name:Dioctyl terephthalate
Synonyms:168 plasticizer;168-ca plasticizer;BIS(2-ETHYLHEXYL)-1,4-BENZENEDICARBOXYLATE;Bis(2-ethylhexyl)terephthalat;benzene-1,4-dicarboxylic acid bis(2-ethylhexyl)ester;DIOCTYL TETREPHTHLATE;Bis(2-ethylhexyl) terephthalate, PA-6 Plasticizer adhesive;di-(2-ethylhexyl)terephthalate
CAS:6422-86-2
MF:C24H38O4
MW:390.56
EINECS:229-176-9
Product Categories:
Mol File:6422-86-2.mol
Dioctyl terephthalate Chemical Properties
Melting point -48 °C
Boiling point 400 °C (lit.)
density 0.986 g/mL at 25 °C (lit.)
vapor pressure 1 mm Hg ( 217 °C)
refractive index n20/D 1.49(lit.)
Fp 230 °F
storage temp. 2-8°C
solubility Aqueous Base (Slightly)
form Liquid
color Clear colorless
Water Solubility insoluble
Stability:Hygroscopic
LogP8.34 at 20℃
CAS DataBase Reference6422-86-2(CAS DataBase Reference)
EPA Substance Registry SystemBis(2-ethylhexyl) terephthalate (6422-86-2)
Safety Information
Safety Statements 24/25
WGK Germany 1
RTECS WZ0883500
HS Code 29173990
Hazardous Substances Data6422-86-2(Hazardous Substances Data)
MSDS Information
Dioctyl terephthalate Usage And Synthesis
Chemical PropertiesClear colorless liquid
UsesIt is used primarily as a plasticizer for polyvinyl chloride and other polymers.
UsesDOTP can form a composite blend with polyaniline (PANI)-ethyene dimethacrylate (EDMA), which can be used in the fabrication of conductive films. It may also be used as a plasticizer with polyvinyl chloride (PVC) to form solutions for artificial intravessel plaque.
Production MethodsDEHT is manufactured by the esterification of terephthalic acid and 2-ethylhexanol.
General DescriptionDioctyl terephthalate (DOTP) is a plasticizer that can be prepared by alcoholysis of polyethylene terephthalate (PET) with isooctyl alcohol.
CarcinogenicityThe carcinogenic potential of DEHT was evaluated in a 2-year study in which male and female rats were given diets containing 1500, 6000, or 12,000 ppm. There was no effect on tumor incidence, and therefore, the NOEL for tumorigenicity was at least 12,000 ppm (equivalent to 666 mg/kg/day in males and 901 mg/kg/day in females).
Dioctyl terephthalate Preparation Products And Raw materials
Raw materials1-Octanol-->2-Ethylhexanol-->Terephthalic acid-->1,4-Benzenedimethanol

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