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CAS 137-89-3

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Dioctyl isophthalate

Description:
Dioctyl isophthalate (DOIP), with the CAS number 137-89-3, is an ester derived from isophthalic acid and 2-ethylhexanol. It is primarily used as a plasticizer in the production of flexible polyvinyl chloride (PVC) and other polymers, enhancing their flexibility, durability, and processability. DOIP is characterized by its low volatility, good thermal stability, and resistance to extraction, making it suitable for various applications, including coatings, adhesives, and sealants. The substance is typically a colorless to pale yellow liquid with a mild odor. It exhibits low solubility in water but is soluble in organic solvents, which contributes to its effectiveness as a plasticizer. Additionally, dioctyl isophthalate has a relatively high molecular weight, which helps to minimize migration in finished products. While it is considered to have a low toxicity profile, safety assessments are essential for its use in consumer products, particularly in food contact applications. Overall, DOIP is valued for its performance in enhancing the properties of polymeric materials.
Formula:C24H38O4
InChI:InChI=1/C24H38O4/c1-5-9-12-19(7-3)17-27-23(25)21-14-11-15-22(16-21)24(26)28-18-20(8-4)13-10-6-2/h11,14-16,19-20H,5-10,12-13,17-18H2,1-4H3
InChI key:InChIKey=WXZOXVVKILCOPG-UHFFFAOYSA-N
SMILES:C(OCC(CCCC)CC)(=O)C1=CC(C(OCC(CCCC)CC)=O)=CC=C1
Synonyms:
  • 1,3-Benzenedicarboxylic acid, 1,3-bis(2-ethylhexyl) ester
  • 1,3-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester
  • Ai3-16906
  • Bis(2-Ethylhexyl) Benzene-1,3-Dicarboxylate
  • Bis-(2-ethylhexyl)ester kyseliny isoftalove
  • Bis-(2-ethylhexyl)ester kyseliny isoftalove [Czech]
  • Brn 2162836
  • Ccris 4589
  • Di-2-ethylhexyl isophthalate
  • Dioctyl isophthalate
  • See more synonyms
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