Cobalt dichloride
Cobalt muriate
Cobaltous chloride
CoCl2
Molecular mass: 129.8
ICSC # 0783
CAS # 7646-79-9
RTECS # GF9800000
UN # 3288
EC # 027-004-00-5
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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!
STRICT HYGIENE!
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•Inhalation
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Cough.
Shortness of breath.
Wheezing.
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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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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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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.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty of water to drink.
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.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
Personal protection: P3 filter respirator for toxic particles.
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Dry.
Separated from
strong oxidants.
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Do not transport with food and feedstuffs.
Note: E, 1
T symbol
N symbol
R: 49-22-42/43-50/53
S: 2-22-53-45-60-61
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
PALE-
BLUE
,
HYGROSCOPIC
POWDER
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TURNS PINK ON Exposure TO AIR AND MOISTURE.
Physical Dangers:
Chemical Dangers:
Reacts with oxidants causing fire and explosion hazard.
Occupational Exposure Limits:
TLV: (as Co) 0.02 mg/m3 as TWA; A3; BEI issued; (ACGIH 2004).
MAK not established.
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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:
A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
Repeated or prolonged inhalation exposure may cause asthma.
The substance may have effects on the heart,
thyroid
and
bone marrow
.
This substance is possibly carcinogenic to humans.
Animal tests show that this substance possibly causes toxic effects upon human reproduction.
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Physical
Properties
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Boiling point: 1049°C
Melting point: 735°C
Density: 3.4
g/cm3
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Solubility in water, g/100 ml at 20°C: 53
Octanol/water partition coefficient as log Pow: 0.85
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
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 with this substance.
Do NOT take working clothes home.
The recommendations on this Card also apply to Cobalt (II) chloride hydrates:
Cobalt (II) chloride hexahydrate (CAS 7791-13-1), Cobalt (II) chloride dihydrate (CAS 14216-74-1).
Transport Emergency Card: TEC (R)-61GT5-III
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ADDITIONAL INFORMATION
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ICSC: 0783
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COBALT (II) CHLORIDE
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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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