Testing Status of Agents at NTP

tris(2-Chloroisopropyl)phosphate

http://ntp.niehs.nih.gov/go/TS-M20263

CASRN: 13674-84-5

Formula: C9-H18-Cl3-O4-P

Synonyms/Common Names:

  • 2-PROPANOL, 1-CHLORO-, PHOSPHATE (3:1) (9CI)
  • TCPP

Secondary:

  • TRISCHLOROMX - Tris(chloropropyl)phosphate, mixture

Known Uses:

Flame retardant; commercially used mixture

Short-Term Toxicity

  • 90 days (Dosed-Feed)  (C20712)  Completed 
    • Rats: Harlan Sprague-Dawley; Mice: B6C3F1/N
    • Dose: R: 0, 2500, 5000, 10000, 20000, or 40000 ppm (perinatal only); M: 0, 1250, 2500, 5000, 10000, or 20000 ppm; 10/sex/species/dose.

Long-Term Carcinogenicity

  • 2 years (Dosed-Feed)  (C20712)  On Test 
    • Rats: Harlan Sprague-Dawley; Mice: B6C3F1/N
    • Dose: R: 0, 2500, 5000, 10,000 or 20,000 ppm; MM: 0, 1250, 2500, or 5000 ppm; FM: 0, 2500, 5000 or 10,000 ppm; 50/sex/species/group.

Special Studies

  • 14 days Palatability (Dosed-Feed)  (K20263B)  Completed 
    • Male and Female Rats: Wistar Han; Male and Female Mice: B6C3F1
    • Dose: 0, 30,000, 40,000, and 50,000 ug/g/day.
  • Toxicokinetic Study (Gavage; Intravenous) Selected (K20263)  
    • Male and Female Mice: B6C3F1/N
    • Dose: 1250, 2500, 5000 ppm. 2500, 5000, 10000 ppm. 2500, 5000, 10000, 20000 ppm. PTKS11357 [oral]: 100 mg/kg bwt. TKS: 50, 100, 500 mg/kg. PTKS11358 [IV]: 4 mg/kg bwt. TKS: 4.0 mg/kg.
  • Toxicokinetic Study (Gavage; Intravenous) Selected (K20263)  
    • Male and Female Rats: Harlan Sprague-Dawley
    • Dose: 1250, 2500, 5000 ppm. 2500, 5000, 10000 ppm. 2500, 5000, 10000, 20000 ppm. PTKS11357 [oral]: 100 mg/kg bwt. TKS: 50, 100, 500 mg/kg. PTKS11358 [IV]: 4 mg/kg bwt. TKS: 4.0 mg/kg.
  • Toxicokinetic Study (Dosed-Feed) Selected (K20263)  
    • Male and Female Rats: Harlan Sprague-Dawley; Female Mice: B6C3F1; Male Mice: B6C3F1
    • Dose: 1250, 2500, 5000 ppm. 2500, 5000, 10000 ppm. 2500, 5000, 10000, 20000 ppm. PTKS11357 [oral]: 100 mg/kg bwt. TKS: 50, 100, 500 mg/kg. PTKS11358 [IV]: 4 mg/kg bwt. TKS: 4.0 mg/kg.

Genetic Toxicology

  • Micronucleus  (G20263B)  Completed 
    • Mice: B6C3F1
    • Male Positive 
    • Female Negative 
  • Micronucleus  (G20263)  Completed 
    • Rats: Harlan Sprague-Dawley
    • Male Negative 
    • Female Negative 
  • Salmonella  (815918)  Completed 
    • Citation: Zeiger, E., Anderson, B., Haworth, S., Lawlor, T., and Mortelman, K. Salmonella Mutagenicity Tests V. Results from the Testing of 311 Chemicals Environ. Molec. Mutagen. Vol. 19 (Suppl 21) (1992) 2-141
    •  Negative 

Organ Systems Toxicity

  • GD 6 to GD 20 Developmental Toxicity (Gavage)  (R20263B)  Completed 
    • Female Rats: Harlan Sprague-Dawley
    • Dose: 0, 162.5, 325, or 650 mg/kg/day.
  • ~ 15 days Teratology Pilot Studies (Gavage)  (R20263)  Completed 
    • Female Rats: Harlan Sprague-Dawley
    • Dose: 0, 300, 650, or 1,000 mg/kg/day.
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