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Dioctyl Terephthalate(DOTP) CAS 6422-86-2
Dioctyl terephthalate (bis(2-ethylhexyl) benzene-1,4-dicarboxylate or Di(2-ethylhexyl) terephthalate), commonly abbreviated DOTP or DEHT, is an organic compound with the formula C6H4(CO2 C8H17)2.

Product Parameters

It is a non-phthalate plasticiser, being the diester of terephthalic acid and the branched-chain 2-ethylhexanol. This colorless viscous liquid used for softening PVC plastics is known for chemical similarity to general purpose phthalates such as DEHP and DINP, but without any negative regulatory pressure. It possesses very good plasticizing properties and may be used as a direct replacement for DEHP and DINP in many applications.
Chemical NameDioctyl Terephthalate (DOTP)
CAS No.6422-86-2
Product CategoriesChemical Reagents
Molecular FormulaC24H38O4
Formula Weight390.56
AppearanceClear Colorless Liquid
Packaging Method200kg/Drum
Type Of TransportationBy Air/By Sea/By Train/By Express
SampleAvailable

Chemical Properties Of Dioctyl Terephthalate(DOTP) CAS 6422-86-2

Appearance & Physical StateClear colorless liquid
Density0.984
Boiling Point400ºC
Melting Point30-34ºC
Flash Point238ºC
Refractive Index1.489-1.491
Water Solubilityinsoluble
StabilityStable under normal temperatures and pressures.
Storage ConditionStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure1 mm Hg ( 217 °C)

Safety Information Of Dioctyl Terephthalate(DOTP) CAS 6422-86-2

RTECSWZ0883500
Safety StatementsS24/25
HS Code2917399090
WGK Germany1

Product Application Of Dioctyl Terephthalate(DOTP) CAS 6422-86-2

It is used primarily as a plasticizer for polyvinyl chloride and other polymers.

Packaging Method Of Dioctyl Terephthalate(DOTP) CAS 6422-86-2

For liquid products, we usually use galvanized iron drums or plastic drums.


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  • Dioctyl Terephthalate(DOTP) CAS 6422-86-2
  • Dioctyl Terephthalate(DOTP) CAS 6422-86-2
  • Dioctyl Terephthalate(DOTP) CAS 6422-86-2
  • Dioctyl Terephthalate(DOTP) CAS 6422-86-2
  • Dioctyl Terephthalate(DOTP) CAS 6422-86-2

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