National Toxicology Program

CASRN: 7775-09-9

Related: WATER DISINFECTION BYPRODUCTS (DIBROMOACETIC ACID)

Formula: NA CL O3

Synonyms/Common Names:

• SODIUM CHLORATE (WATER DISINFECTION BYPRODUCTS)

Known Uses:

BY-PRODUCT OF CHLORINE DIOXIDE AND HYPOCHLORITE DISINFECTION.

Short-Term Toxicity

• 3-WEEK (Dosed-Water)  (C96010A) Completed 
  • NTIS No. PB 2006-107479  (Peer Review 12/09/2004)
    Citation: Toxicology and Carcinogenesis Studies of Sodium Chlorate (CAS No. 7775-09-9) in F344/N Rats and B6C3F1 Mice (Drinking Water Studies)
  • Rats: F344/N; Mice: B6C3F1
  • Dose: R&M: 0, 125, 250, 500, 1000, OR 2000 MG/L; 10/SEX/SPECIES/GROUP

Long-Term Carcinogenicity

• 2-YEAR (Dosed-Water)  (C96010A) Report Complete 
  • TR-517 (NTIS No. PB 2006-107479)  (Peer Review 12/09/2004)
    Toxicology and Carcinogenesis Studies of Sodium Chlorate (CAS No. 7775-09-9) in F344/N Rats and B6C3F1 Mice (Drinking Water Studies)
  • Rats: F344/N; Mice: B6C3F1
  • Carcinogenesis Results
  • Male Rats Some Evidence 
  • Female Rats Some Evidence 
  • Male Mice No Evidence 
  • Female Mice Equivocal Evidence 
  • Dose: R: 0, 125, 1000, OR 2000 MG/L; M: 0, 500, 1000, OR 2000 MG/L; 50/GROUP

Organ Systems Toxicity

• GD 6-29 Conventional Teratology (Gavage)  (TER97005) Completed 
  • NTIS No. PB2003-101297
    Citation: Final Study Report?Developmental Toxicity Evaluation for Sodium Chlorate (Cas No. 7775-09-9) Administered by Gavage to New Zealand White Rabbits on Gestational Days 6 through 29 ?
  • NTIS No. PB2003-101298
    Citation: Final Study Report?Developmental Toxicity Evaluation for Sodium Chlorate (Cas No. 7775-09-9) Administered by Gavage to New Zealand White Rabbits on Gestational Days 6 through 29 ?
  • F Rabbit: New Zealand White
  • Dose: 0, 100, 250, OR 475 MG/KG/DAY
• GD 6-29 Teratology Pilot Studies (Gavage)  (TRP98001) Completed 
  • F Rabbit: New Zealand White
  • Dose: 0, 100, 250, 500, 750 OR 1,000 MG/KG/DAY