National Toxicology Program

National Toxicology Program

Testing Status of di-isohexyl phthalate - 09003


CASRN: 146-50-9

Formula: C20-H30-O4

Synonyms/Common Names

  • 1,2-Benzenedicarboxylic acid, bis(4-methylpentyl) ester
  • Bis(4-methylpentyl) 1,2-benzenedicarboxylate

Known Uses

plasticizer;main raw materials in producing soft plastic, extensively used in processing PVC plastic products such as leatheroid, cable materials, pellicle, mould plastics and sheet materials

Chemical Properties

Toxicity Effects (HSDB)

Organ Systems Toxicity

  • Utero-Lactational (Dosed-Water & Dosed-Feed)  (R09003)  Completed 
    • Rats: Harlan Sprague-Dawley
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.