National Toxicology Program

National Toxicology Program

Testing Status of Norbixin (cis/trans mixture) - M050091


CASRN: 542-40-5

Formula: C24-H28-O4

Synonyms/Common Names

  • cis/trans Norbixin

Known Uses

Naturally occurring; food additive

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Micronucleus  (F34414)  Completed 
    • Mice: B6C3F1
    • Male Negative 
  • Salmonella  (A63936)  Completed 
    •  Positive 

Organ Systems Toxicity

  • varies Immunotoxicity (Topical Application)  (IMM20505)  Completed 
    • Female Mice: BALB/c
    • Dose: 0, 1, 2.5, 5, 10, OR 20%.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.