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SODIUM MOLYBDATEICSC: 1010
Molybdic acid, disodium salt
Disodium molybdate
October 2004
CAS #: 7631-95-0
EC Number: 231-551-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible under specific conditions.  Risk of fire and explosion on contact with magnesium.  NO open flames.    In case of fire in the surroundings, use appropriate extinguishing media.   

 AVOID ALL CONTACT!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. Refer for medical attention. 
Skin Redness.  Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles or eye protection in combination with breathing protection if powder.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal pain. Nausea. Vomiting. Diarrhoea.  Do not eat, drink, or smoke during work.  Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from strong oxidants and halogens. 
PACKAGING
 
SODIUM MOLYBDATE ICSC: 1010
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE POWDER. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic fumes including sodium oxide. Reacts violently with halogens. This generates fire and explosion hazard. 

Formula: Na2MoO4
Molecular mass: 205.9
Melting point: 687°C
Density: 3.78 g/cm³
Solubility in water, g/100ml at 100°C: 84  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation. 

Effects of short-term exposure
The aerosol is irritating to the respiratory tract and eyes. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed. 

Effects of long-term or repeated exposure
The substance may have effects on the respiratory tract. This substance is possibly carcinogenic to humans. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
 

NOTES
Environmental effects from the substance have not been investigated adequately. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations