National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/ts-12005

Testing Status of Phenolic Benzotriazoles (Octrizole) - 12005

 

CASRN: 3147-75-9

Formula: C20-H25-N3-O

Synonyms/Common Names

  • 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
  • PBZT

Secondary:

  • BENZOTRIAZOLES - Phenolic Benzotriazoles

Known Uses

UV Absorber; Ultraviolet screen; EPA Pesticide Inert Ingredient

Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 14 days (Gavage)  (C12005)  On Test 
    • Benzotriazole Class
    • Rats: Harlan Sprague-Dawley
    • Dose: MR: 0, 30, 100, 300, or 1000 mg/kg in 0.5% aqueous methylcellulose by gavage.

Special Studies

  • Toxicokinetic Study (Gavage; Intravenous)  (K12005)  On Test 
    • Male Rats: Harlan Sprague-Dawley

Genetic Toxicology

  • Micronucleus  (G12005)  On Test 
    • Rats: Harlan Sprague-Dawley
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.