National Toxicology Program

National Toxicology Program

Testing Status of Chloraminated water - M910056



Synonyms/Common Names

  • Chloramine/Sodium hypochlorite


  • 10599-90-3 - Chloramine
  • 7681-52-9 - Hypochlorous acid, sodium salt

Known Uses

Reagent, water disinfectant

Long-Term Carcinogenicity

  • 2 years (Dosed-Water)  (C91008)  Report Draft 
    • TR-392 (NIH Number: 92-2847)  (Peer Review Approval 11/19/1990A )
      Toxicology and Carcinogenesis Studies of Chlorinated Water (CASRNs 7782-50-5 and 7681-52-9) and Chloraminated Water (CASRN 10599-90-3) (Deionized and Charcoal-Filtered) in F344/N Rats and B6C3F1 Mice (Drinking Water Studies)
    • Rats: F344/N; Mice: B6C3F1
    • Carcinogenesis Results
      • Male Rats No Evidence 
      • Female Rats Equivocal Evidence 
      • Male Mice No Evidence 
      • Female Mice No Evidence 
    • Dose: R&M: 0, 50, 100, 200 PPM/ 70 PER GROUP.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.