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Registry of Toxic Effects of Chemical Substances (RTECS)

Hypochlorous acid, calcium salt

RTECS #

NH3485000

CAS #

7778-54-3

Updated

January 2010

Molecular Weight

216.20

Molecular Formula

C12O2·Ca

Synonyms

B-K powder
Bleaching powder
Calcium chlorohydrochlorite
Calcium hypochlorite
Calcium oxychloride
Caporit
Chemichlor G
Chloride of lime
Chlorinated lime
Chlorolime chemical
HTH
HTH (bleaching agent)
HY-Chlor
Lime chloride
LO-Bax
Losantin
Perchloron
Pittchlor
Pittcide
Pittclor
Sentry
Solvox KS
T-Eusol

Mutation Data and Reference

System TestRoute/Organism/TissueDoseReference
Cytogenetic Analysisfibroblast/hamster4 gm/LFCTOD7 22,623,1984
mutation in microorganisms/Salmonella typhimurium1 mg/plate (-enzymatic activation step)FCTOD7 22,623,1984

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/man lowest published toxic dose: 143 mg/kgLung, Thorax, or Respiration: Acute pulmonary edema

Lung, Thorax, or Respiration: Dyspnea

Gastrointestinal: Nausea or vomiting
JJTOEX 11,137,1998
oral/rat lethal dose (50 percent kill): 850 mg/kgPESTC* 9,21,1980
skin/rabbit lowest published lethal dose: 2 gm/kgBehavioral: Somnolence (general depressed activity)

Behavioral: Food intake (animal)

Gastrointestinal: Other changes
NTIS** OTS0570606

Reviews

OrganizationStandardReference
International Agency for Research on Cancer (IARC)Cancer Review:Animal Inadequate EvidenceIMEMDT 52,159,1991
International Agency for Research on Cancer (IARC)Cancer Review:Human No Available DataIMEMDT 52,159,1991
International Agency for Research on Cancer (IARC)Cancer Review:Group 3IMEMDT 52,159,1991
TOXICOLOGY REVIEWMUTAEX 22,161,2007

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESRED CompletedRBREV* -,148,1998

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 15746; Number of Industries 48; Total Number of Facilities 3884; Number of Occupations 57; Total Number of Employees Exposed 82721; Total Number of Female Employees Exposed 23486
National Occupational Hazard Survey 1974Hazard Code 15746; Number of Industries 30; Total Number of Facilities 3262; Number of Occupations 37; Total Number of Employees Exposed 39878

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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