Copper(II) molybdate

  • Cupric molybdate
  • Copper molybdenum oxide
  • Molybdic acid (H2MoO4), copper(2+) salt (1:1)
  • Copper molybdenum tetraoxide
Formula
CuMoO4
Description
Odorless, green powder.

Registry Numbers and Inventories.
CAS
13767-34-5
EC (EINECS/ELINCS)
237-378-3
R: 36/37 48/20/22
S: 22 25
Korea ECL
Listed

Properties.
Formula
CuMoO4
Formula mass
223.48
Melting point, °C
500
Boiling point, °C
 
Density
3.4 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Stability
Decomposition will not occur if used and stored according to specifications.

Fire.
Fire fighting
Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.
Fire potential
Product is not flammable.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure limit(s)
NIOSH TWA: 1 mg/m3 (as Cu, dust); NIOSH PEL: 5 mg/m3 (as Mo)
Exposure effects
Acute molybdenum poisoning may cause severe gastrointestinal irritation, diarrhea, coma and death from cardiac failure. Chronic molybdenum poisoning in laboratory animals has caused loss of weight, anorexia, anemia, deficient lactation, male sterility, osteoporosis and bone joint abnormalities. Copper compounds may be irritating to the skin, eyes and respiratory tract. They may cause metal fume fever, hemolysis of the red blood cells and injury to the liver, lungs, kidneys and pancreas. Ingestion may also cause vomiting, gastric pain, dizziness, anemia, cramps, convulsions, shock, coma and death.

First aid
 
   Ingestion
Seek immediate medical treatment.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.