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MSDS  : Cobalt(II) sulfate (11), heptahydrate
CAS  : 10026-24-1
SYNONYMS  : * Cobalt monosulfate heptahydrate * Cobaltous sulfate heptahydrate * Cobalt(II) sulphate heptahydrate * Sulfuric acid, cobalt(2+) salt (1:1), heptahydrate
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : GG3200000
CHEMICAL NAME : Cobalt(II) sulfate (1:1), heptahydrate
CAS REGISTRY NUMBER : 10026-24-1
LAST UPDATED : 199712
DATA ITEMS CITED : 11
MOLECULAR FORMULA : Co-O4-S.7H2-O
MOLECULAR WEIGHT : 281.13
WISWESSER LINE NOTATION : .CO..S-O4 &QH 7
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Cobalt monosulfate heptahydrate
* Cobaltous sulfate heptahydrate
* Cobalt(II) sulphate heptahydrate
* Sulfuric acid, cobalt(2+) salt (1:1), heptahydrate

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 582 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - ataxia
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-
1990- Volume(issue)/page/year: 1,688,1992

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 320 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOBP Farmakologiya i Toksikologiya (Kiev). Pharmacology and Toxicology.
(Kievskii Nauchno- Issledovatel'skii Institut Farmakologii i Toksikologii,
Kiev, USSR) No.1- 1964- Volume(issue)/page/year: 13,94,1978

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 16200 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EQSSDX Environmental Quality and Safety, Supplement. (Stuttgart, Fed. Rep.
Ger.) V.1-5, 1975-76. Discontinued. Volume(issue)/page/year: 1,1,1975

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 91 mg/m3/6H/16D-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - chromodacryorrhea
Lungs, Thorax, or Respiration - structural or functional change in trachea
or bronchi
Endocrine - changes in thymus weight
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NIH-91-3124

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 18 mg/m3/6H/13W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - changes in lung weight
Kidney, Ureter, Bladder - changes in bladder weight
Blood - pigmented or nucleated red blood cells
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NIH-91-3124

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 30 mg/m3/6H/13W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - changes in lung weight
Endocrine - effect on menstrual cycle
Related to Chronic Data - changes in testicular weight
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
15,357,1990

** REPRODUCTIVE DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE : 30 mg/m3/6H
SEX/DURATION : male 13 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
15,357,1990

** MUTATION DATA **

TYPE OF TEST : Micronucleus test
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 1 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 392,61,1997

*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X2377
No. of Facilities: 126 (estimated)
No. of Industries: 5
No. of Occupations: 5
No. of Employees: 3264 (estimated)
No. of Female Employees: 1853 (estimated)

*** STATUS IN U.S. ***

NTP Toxicity studies, RPT# TOX-05, October 1997

NTP Carcinogenesis studies; test completed (post peer review), October 1997


*** END OF RECORD ***
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