Diisobutylene is a highly branched C8 olefin obtained by the dimerization of a pre-treated isobutylene feedstock. INEOS Oligomers’ Diisobutylene HP product contains over 95% of 2,4,4-trimethylpentenes (TMP), split approximately 75/20 between the TMP1 and TMP2 isomers. Diisobutylene 99 product contains over 99% of 2,4,4-trimethylpentenes (TMP).


  • - Isononyl derivatives used to produce polymerization initiators and compressor fluids
  • - Sulphur additives for anti-wear lubricants and HALS stabilizers for outdoor polyolefin applications

1 trade-grade

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