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Home/Compounds/Industrial Chemical/Diethylhexyl terephthalate
C24H38O4
390.6 g/mol
Industrial Chemical

Di-(2-ethylhexyl) terephthalate

CAS6422-86-2EC229-176-9
Category
Industrial Chemical
Compound Class
Ester
Primary Use
Plasticizer for PVC and rubbers

Di-(2-ethylhexyl) terephthalate (DEHT) is a diester of terephthalic acid and 2-ethylhexanol, appearing as a colorless viscous liquid. It is used as a plasticizer for softening PVC and rubber, offering properties similar to general-purpose phthalates without the same regulatory restrictions.

Plasticizer for PVCPlasticizer for rubbers

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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StrongStructure SimilarSimilarity 0.86

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Customs Tariff Classification

The international HS code for Di-(2-ethylhexyl) terephthalate (CAS 6422-86-2) is 2917.39.

HS code (international, 6-digit)

2917.39

EU CN code (8-digit)

2917 39 35

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

bis(2-ethylhexyl) benzene-1,4-dicarboxylate

InChIKey

RWPICVVBGZBXNA-UHFFFAOYSA-N

SMILES

CCCCC(CC)COC(=O)C1=CC=C(C=C1)C(=O)OCC(CC)CCCC

Synonyms (27)
  • DEHTP
  • 1,4-DEHT
  • ADK Cizer D 810
  • Dioctyl terephthalate
  • Dioctyl terephthalate (DOTP)
  • Dioctyl terephthalate, ~80%
  • EASTMAN 168 PLASTICIZER
  • Eastman 168
  • Eastman DOTP Plasticizer
  • Eastman TM 168
  • Kodaflex DOTP
  • Palatinol DOTP
  • Plastic additive 27 CRS
  • Plasticizer 168
  • diethylhexyl terephthalate
  • dioctyl terepthalate

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