Calcium molybdenum oxide
Calcium molybdate(VI)
Molybdic acid, calcium salt (11)
CaMoO4
Molecular mass: 200.0
ICSC # 0992
CAS # 7789-82-4
RTECS # EW2975000
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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.
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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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•Inhalation
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Cough.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
Pain.
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Safety goggles
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: particulate filter adapted to the airborne concentration of the substance.
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
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Important Data
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Physical State; Appearance:
WHITE CRYSTALLINE POWDER
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating (at 965°C),
producing molybdate oxide fumes.
Occupational Exposure Limits:
TLV: Mo, insoluble compounds, respirable fraction 3 mg/m3 as TWA TLV: Mo, insoluble compounds, inhalable fraction 10 mg/m3 as TWA (ACGIH 2006).
MAK: IIb (not established but data is available) (DFG 2006).
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Routes of Exposure:
Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly
when dispersed, especially if powdered.
Effects of Short-Term Exposure:
May cause mechanical irritation to
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Decomposes at 965 °C
Density: 4.4
g/cm3
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Solubility in water, g/100 ml at 25°C: (very poor) 0.005
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Environmental
Data
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N O T E S
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Health effects of exposure to the substance have not been investigated
adequately.
Environmental effects from the substance have not been investigated.
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ADDITIONAL INFORMATION
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ICSC: 0992
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CALCIUM MOLYBDATE
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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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