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ALUMINUM HYDROXIDEICSC: 0373
March 1998
CAS #: 21645-51-2Alumina hydrate
Aluminum oxide trihydrate
Trihydroxyaluminum
EINECS #: 244-492-7

  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 ACUTE HAZARDS FIRST AID
Inhalation   Use local exhaust.  Fresh air, rest. 
Skin   Protective gloves.  Rinse skin with plenty of water or shower. 
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     Rinse mouth. Rest. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. Wash away remainder with plenty of water. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
ALUMINUM HYDROXIDE ICSC: 0373
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
ODOURLESS WHITE SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
 

Formula: AlH3O3 / Al(OH)3
Molecular mass: 78.0
Melting point: 300°C
See Notes.
Density: 2.42 g/cm³
Solubility in water: none
Vapour pressure, Pa at 20°C: <10  


EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
 

Inhalation risk
Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
MAK: (inhalable fraction): 4 mg/m3; (respirable fraction): 1.5 mg/m3; pregnancy risk group: D 

ENVIRONMENT
 

NOTES
The apparent melting point caused by loss of crystal water is given. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations