Acetic acid, cobalt(+2) salt
Cobaltous acetate (tetrahydrate)
Cobaltous diacetate tetrahydrate
C4H6CoO4•4H2O
Molecular mass: 249.1
ICSC # 1128
CAS # 6147-53-1
RTECS # AG3325000
Pi, Study (1st batch of chemical part)
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
AVOID ALL CONTACT!
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•Inhalation
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Cough.
Shortness of breath.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Safety goggles,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Abdominal pain.
Diarrhoea.
Nausea.
Vomiting.
Weakness.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
(Extra personal protection: P2 filter respirator for harmful particles.)
Do NOT let this chemical enter the environment.
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Separated from
strong oxidants.
Well closed.
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Important Data
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Physical State; Appearance:
RED
CRYSTALS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
irritating fumes
.
Reacts with strong oxidants
causing fire and explosion hazard.
Occupational Exposure Limits:
TLV: (as Cobalt) 0.02 mg/m3 as TWA A3 (ACGIH 2001). BEI
15 ug/l urine, B, 1 ug/l blood, B, Sq.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
Repeated or prolonged inhalation exposure may cause asthma.
Lungs may be affected by repeated or prolonged exposure.
The substance may have effects on the heart,
thyroid
,
bone marrow
,
when ingested.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Melting point: 140°C
Density: 1.7 g/cm3
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Solubility in water:
very good
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Environmental
Data
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Bioaccumulation of this chemical may occur in seafood.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is indicated.
Do NOT take working clothes home.
Anyone who has shown symptoms of asthma due to this substance should avoid all further contact.
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.
The apparent 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).
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ADDITIONAL INFORMATION
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ICSC: 1128
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COBALT(II) ACETATE TETRAHYDRATE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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