Cobalt sulfate heptahydrate

Names

[ Name ]:
Cobalt sulfate heptahydrate

[Synonym ]:
Cobalt(II) sulfate heptahydrate
Cobalt sulfate heptahydrate
EINECS 233-334-2
MFCD00149658
cobalt(2+),sulfate,heptahydrate

Chemical & Physical Properties

[ Density]:
2.03 g/mL at 25 °C(lit.)

[ Boiling Point ]:
735°C

[ Melting Point ]:
98 °C

[ Molecular Formula ]:
CoH₁₄O₁₁S

[ Molecular Weight ]:
281.10300

[ Exact Mass ]:
280.95900

[ PSA ]:
153.25000

[ Stability ]:
Stable. Non-flammable. Hygroscopic. Dehydrates at around 41 C and 71 C.

[ Water Solubility ]:
362 g/L (20 ºC)

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GG3200000

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

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

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

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

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

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

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

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

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

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)

Safety Information

[ Symbol ]:

GHS07, GHS08, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302-H317-H334-H341-H350i-H360F-H410

[ Precautionary Statements ]:
P201-P261-P280-P284-P304 + P340-P308 + P313

[ Hazard Codes ]:
T: Toxic;N: Dangerous for the environment;

[ Risk Phrases ]:
R22;R42/43;R49;R50/53

[ Safety Phrases ]:
S53-S23-S36/37-S45-S61-S60-S22

[ RIDADR ]:
UN 3082 9/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
GG3200000

[ Packaging Group ]:
III

[ Hazard Class ]:
9.0

[ HS Code ]:
28332930

Customs

[ HS Code ]: 28332930

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False-positive "poral" cobalt patch test reactions reside in the eccrine acrosyringium.

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Seventy (32%) of 222 patients patch tested in our contact dermatitis clinic from 1993 to 1995 had irritant reactions to cobalt. These reactions were "poral" and seemed to reflect a unique and probably...

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Water Res. 43(9) , 2513-21, (2009)

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