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CALCIUM FLUORIDEICSC: 1323
Calcium difluorideMarch 1999
CAS #: 7789-75-5
EC Number: 232-188-7

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible.        In case of fire in the surroundings, use appropriate extinguishing media.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation   Use ventilation (not if powder), local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
Separated from mineral acids. 
PACKAGING
 
CALCIUM FLUORIDE ICSC: 1323
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS CRYSTALS OR WHITE HYGROSCOPIC POWDER. 

Physical dangers
No data. 

Chemical dangers
On combustion, forms toxic fumes of fluoride. Reacts with mineral acids. This produces corrosive fumes. 

Formula: CaF2
Molecular mass: 78.1
Boiling point: 2500°C
Melting point: 1403°C
Density: 3.2 g/cm³
Solubility in water at 20°C: none 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. 

Effects of short-term exposure
 

Inhalation risk
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
TLV: 2.5 mg/m3, as TWA; A4 (not classifiable as a human carcinogen).
MAK: (as F): 1 mg/m3; peak limitation category: II(4); skin absorption (H); pregnancy risk group: C 

ENVIRONMENT
 

NOTES
Calcium fluoride minerals are mined as fluorite and fluospar. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations