Calcium molybdenum oxide Calcium molybdate(VI) Molybdic acid, calcium salt (1:1)
CAS #: 7789-82-4
EC Number: 232-192-9
FIRE & EXPLOSION
In case of fire in the surroundings, use appropriate extinguishing media.
Cough. Sore throat.
Use local exhaust or breathing protection.
Fresh air, rest.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Wear safety goggles.
Rinse with plenty of water for several minutes (remove contact lenses if easily possible).
Do not eat, drink, or smoke during work.
CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting.
According to UN GHS Criteria
Transportation UN Classification
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALLINE POWDER.
Chemical dangers Decomposes at 965°C. This produces molybdate oxide fumes.
Molecular mass: 200.0
Decomposes at 965°C Density: 4.4 g/cm³ Solubility in water, g/100ml at 25°C: 0.005 (very poor)
EXPOSURE & HEALTH EFFECTS
Routes of exposure
Effects of short-term exposure May cause mechanical irritation to the eyes, skin and respiratory tract.
Inhalation risk A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
TLV: (as Mo): (inhalable fraction): 10 mg/m3, as TWA; (respirable fraction): 3 mg/m3, as TWA
Environmental effects from the substance have not been investigated adequately.
Health effects of exposure to the substance have not been investigated adequately.
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