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COBALT(II) ACETATE TETRAHYDRATE
ICSC: 1128
Peer-Review Status: 12.04.2013 Validated
Cobalt diacetate tetrahydrate
Cobalt(II) diacetate
Cobalt (II) diacetate
Acetic acid, cobalt(+2) salt
Cobaltous acetate (tetrahydrate)
Cobaltous diacetate tetrahydrate 
CAS #: 6147-53-1 RTECS #: AG3325000
EINECS #: 200-755-8
    Formula: C4H6CoO4.4H2O
Molecular mass: 249.1

TYPES OF HAZARD
/ EXPOSURE
ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE-FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!   
Inhalation Cough. Shortness of breath. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse skin with plenty of water or shower. Seek medical attention if you feel unwell. 
Eyes Redness. Pain.  Wear safety goggles or eye protection in combination with breathing protection.  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
PACKAGING & 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. Then store and dispose of according to local regulations.  Do not transport with food and feedstuffs. 
EC Classification
 
UN Classification
 
GHS Classification
Signal: Danger
Harmful if swallowed
Causes skin and eye irritation
May cause respiratory irritation
May cause allergy or asthma symptoms or breathing difficulties if inhaled
May cause an allergic skin reaction
May cause cancer if inhaled
Suspected of causing genetic defects
May damage fertility or the unborn child
May cause damage to lungs if inhaled
May cause damage to thyroid, bone marrow and heart through prolonged or repeated exposure if swallowed
Toxic to aquatic life with long lasting effects 
excl mark;warncancer;health hazenviro;aqua

EMERGENCY RESPONSE SAFE STORAGE
  Separated from strong oxidants. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing. 

IMPORTANT DATA
Physical State; Appearance
RED CRYSTALS. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces irritating fumes. Reacts with strong oxidants. This generates fire and explosion hazard. 

Occupational exposure limits
TLV (as Co): 0.02mg/m³ as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans); BEI issued; (ACGIH 2012).
MAK (inhalable fraction): Carcinogen category: 2; Germ cell mutagen group: 3A; Sensitization of respiratory tract and skin (SAH); (DFG 2012). 

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

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

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

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. Repeated or prolonged inhalation may cause asthma. Repeated or prolonged inhalation may cause effects on the lungs. Ingestion may cause effects on the heart, thyroid and bone marrow. This substance is possibly carcinogenic to humans. Animal tests show that this substance possibly causes toxicity to human reproduction or development. 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: 140°C
Density: 1.7 g/cm³
Solubility in water, g/100ml at 25°C: (very good) 
Bioaccumulation of this chemical may occur in seafood. 

NOTES
The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential.
Anyone who has shown symptoms of asthma due to this substance should avoid all further contact.
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
The melting point caused by loss of crystal water is given.
The recommendations on this Card also apply to Cobalt (II) acetate anhydrous (CAS 71-48-7). 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety
WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.


    See Also:
       Toxicological Abbreviations