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COBALT(II) SULFATE HEPTAHYDRATEICSC: 1396
March 2001
CAS #: 10026-24-1
EC Number: 233-334-2

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.        In case of fire in the surroundings, use appropriate extinguishing media.   

 AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR! 
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Laboured breathing. Shortness of breath. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. 
Skin Redness. Pain.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection if powder.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal pain. Nausea. Vomiting.  Do not eat, drink, or smoke during work. Wash hands before eating.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants. 
PACKAGING
 
COBALT(II) SULFATE HEPTAHYDRATE ICSC: 1396
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
PINK-TO-RED CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes above 100°C . This produces toxic fumes of sulfur oxides. The dust reacts with strong oxidants. This generates fire and explosion hazard. 

Formula: CoSO4 . 7H2O
Molecular mass: 281.1
Boiling point: 420°C
Melting point: 96.8°C
Density: 1.95 g/cm³
Solubility in water, g/100ml at 3°C: 60.4  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. 

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma. The substance may have effects on the heart, thyroid and bone marrow. This may result in cardiomyopathy, goiter and polycythemia. This substance is possibly carcinogenic to humans. Animal tests show that this substance possibly causes toxic effects upon human reproduction. Animal tests show that this substance possibly causes malformations in human babies. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.02 mg/m3, as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans); BEI issued.
MAK: (as Co, inhalable fraction): skin absorption (H); sensitization of respiratory tract and skin (SAH); carcinogen category: 2; germ cell mutagen group: 3A 

ENVIRONMENT
See Notes. 

NOTES
Anyone who has shown symptoms of asthma due to this substance should avoid all further contact with this substance.
Depending on the degree of exposure, periodic medical examination is suggested.
Environmental effects from the substance have not been investigated but data on cobalt ion suggest that it may be hazardous to aquatic organisms.
See ICSC 0783. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 49-22-42/43-50/53; S: (2)-22-53-45-60-61; Note: E 

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    See Also:
       Toxicological Abbreviations