National Toxicology Program

National Toxicology Program


(CAS: 100-42-5)

  • Primary Uses or Exposures: Styrene is used in the production of polystyrene, acrylonitrile-butadiene-styrene resins, styrene-butadiene rubbers and latexes, and unsaturated polystyrene resins.
  • Nomination: Nominated by a private individual for possible listing in the 12th RoC
  • Basis for Nomination: IARC1 finding of limited evidence of carcinogenicity in animals and limited evidence of carcinogenicity in humans.

1 International Agency For Research On Cancer (IARC)

The NTP is administratively located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.

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