*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : GF9800000
CHEMICAL NAME : Cobalt(II) chloride
CAS REGISTRY NUMBER : 7646-79-9
LAST UPDATED : 199710
DATA ITEMS CITED : 44
MOLECULAR FORMULA : Cl2-Co
MOLECULAR WEIGHT : 129.83
WISWESSER LINE NOTATION : CO G2
COMPOUND DESCRIPTOR : Tumorigen
Drug
Mutagen
Reproductive Effector
Human
SYNONYMS/TRADE NAMES :
* Cobalt chloride
* Cobalt dichloride
* Cobalt muriate
* Cobaltous chloride
* Cobaltous dichloride
* Kobalt chlorid
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - child
DOSE/DURATION : 48 mg/kg
TOXIC EFFECTS :
Behavioral - anorexia (human)
Endocrine - thyroid weight (goiter)
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N.
Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year:
157,117,1955
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - child
DOSE/DURATION : 1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
Academic Press, Inc., 1969 Volume(issue)/page/year: -,182,1969
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - man
DOSE/DURATION : 1042 mg/kg/13W-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - optic nerve neuropathy
Sense Organs and Special Senses (Eye) - visual field changes
REFERENCE :
IJMDAI Israel Journal of Medical Sciences. (POB 1435, Jerusalem 91013,
Israel) V.1- 1965- Volume(issue)/page/year: 8,61,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 80 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA.
(Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year:
36(1-3),277,1971
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2 gm/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
RCCRC* Research and Consulting Company, Technical Reports. (RCC NOTOX B.V.,
Hambakenwetering 7, 5231 DD 's-Hertogenbosch, Netherlands)
Volume(issue)/page/year: NOTOX1073/1335,1988
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 17402 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAPMA8 Journal of the American Pharmaceutical Association, Scientific
Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see
JPMSAE. Volume(issue)/page/year: 48,143,1959
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4300 ug/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
INJPD2 Indian Journal of Pharmacology. (Dept. of Pharmacology, Baranas
Hindu Univ., Varanasi 221 005, India) V.1- 1968(?)-
Volume(issue)/page/year: 23,153,1991
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 80 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA.
(Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year:
36(1-3),277,1971
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 49 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher
information, see NSAPCC. Volume(issue)/page/year: 244,17,1962
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 23300 ug/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
INJPD2 Indian Journal of Pharmacology. (Dept. of Pharmacology, Baranas
Hindu Univ., Varanasi 221 005, India) V.1- 1968(?)-
Volume(issue)/page/year: 23,153,1991
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 36 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 1272 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SMSJAR Scottish Medical and Surgical Journal. (Edinburgh, Scotland) For
publisher information, see SMDJAK. Volume(issue)/page/year: 26,131,1826
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
Ger. Dem. Rep.) Volume(issue)/page/year: 4,1289,1935
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 55 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA.
(Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year:
36(1-3),277,1971
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 165 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St.,
NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year:
11,201,1965
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 165 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St.,
NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year:
11,201,1965
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1003 mg/kg/30W-I
TOXIC EFFECTS :
Behavioral - alteration of classical conditioning
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 36(2),95,1971
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 60 mg/kg/3D-I
TOXIC EFFECTS :
Behavioral - food intake (animal)
Liver - changes in liver weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc.,
c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto
606, Japan) V.1- 1951- Volume(issue)/page/year: 43,335,1987
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 1150 mg/kg/10W-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Cardiac - other changes
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
61,89,1981
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 400 mg/kg/19D-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Tumorigenic - tumors at site of application
REFERENCE :
LBANAX Laboratory Animals. (Laboratory Animals Ltd., 1 Thrifts Mead,
Theydon Bois, Essex CM16 7NF, UK) V.1- 1967- Volume(issue)/page/year:
11,43,1977
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 11 mg/kg
SEX/DURATION : female 1-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
number of implants per female; total number of implants per corpora lutea)
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O
Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936-
Volume(issue)/page/year: 45(2),6,1980
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE : 30 gm/kg
SEX/DURATION : female 15-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 29(3),23A,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 7280 mg/kg
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
Reproductive - Fertility - male fertility index (e.g. # males impregnating
females per # males exposed to fertile nonpregnant females)
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 6,31,1986
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 25 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc.,
2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961-
Volume(issue)/page/year: 58,766,1969
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 1 mg/L
REFERENCE :
BECTA6 Bulletin of Environmental Contamination and Toxicology.
(Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
07094) V.1- 1966- Volume(issue)/page/year: 40,597,1988
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Bacillus subtilis
DOSE/DURATION : 50 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 77,109,1980
TYPE OF TEST : DNA damage
TEST SYSTEM : Microorganism - not otherwise specified
DOSE/DURATION : 750 umol/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
198,513,1977
TYPE OF TEST : Specific locus test
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Insect - Drosophila melanogaster
DOSE/DURATION : 2 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 320,133,1994
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Yeast - Saccharomyces cerevisiae
DOSE/DURATION : 100 umol/L
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA,
1255 Howard St., San Francisco, CA 94103) V.6- 1958-
Volume(issue)/page/year: 33,1571,1985
TYPE OF TEST : Gene conversion and mitotic recombination
TEST SYSTEM : Yeast - Saccharomyces cerevisiae
DOSE/DURATION : 3 gm/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 155,117,1985
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Human HeLa cell
DOSE/DURATION : 1 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 92,427,1982
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 200 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 131,173,1984
TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 200 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 68,259,1979
TYPE OF TEST : DNA damage
TEST SYSTEM : Mammal - species unspecified Lymphocyte
DOSE/DURATION : 750 umol/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
198,513,1977
*** REVIEWS ***
IARC Cancer Review:Animal Limited Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
IARC Cancer Review:Human Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
IARC Cancer Review:Group 2B
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 84329
No. of Facilities: 267 (estimated)
No. of Industries: 13
No. of Occupations: 12
No. of Employees: 2790 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 84329
No. of Facilities: 185 (estimated)
No. of Industries: 9
No. of Occupations: 13
No. of Employees: 9392 (estimated)
No. of Female Employees: 4192 (estimated)
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; S
cerevisiae-homozygosis
EPA GENETOX PROGRAM 1988, Negative: N crassa-aneuploidy
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***
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