National Toxicology Program

National Toxicology Program

Testing Status of Nonylparaben - 13017


CASRN: 38713-56-3

Formula: C16-H24-O3

Synonyms/Common Names

  • Benzoic acid, 4-hydroxy-, nonyl ester
  • Nonyl 4-Hydroxybenzoate

Known Uses

Used as an antimicrobial in cometics, food, drugs

Chemical Properties

Toxicity Effects (HSDB)


  • Microarray Analysis (Gavage) Selected (T10950)  
    • Rats: Harlan Sprague-Dawley
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.