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ALUMINUM HYDROXIDE
ICSC: 0373
Peer-Review Status: 27.03.1998 Validated
Alumina hydrate
Aluminum oxide trihydrate
Trihydroxyaluminum 
CAS #: 21645-51-2 RTECS #: BD0940000
EINECS #: 244-492-7
 		    Formula: AlH3O3 / Al(OH)3
Molecular mass: 78.0

TYPES OF
HAZARD /
EXPOSURE 		ACUTE HAZARDS / SYMPTOMS      PREVENTION      FIRST AID / FIRE FIGHTING
FIRE Not combustible.    In case of fire in the surroundings, use appropriate extinguishing media. 
EXPLOSION      
 
EXPOSURE   PREVENT DISPERSION OF DUST!   
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
 		PACKAGING & LABELLING
Sweep spilled substance into covered containers. Wash away remainder with plenty of water.   
EC Classification
 
UN Classification
 
GHS Classification
 

EMERGENCY RESPONSE SAFE STORAGE
   

IMPORTANT DATA
Physical State; Appearance
ODOURLESS WHITE SOLID IN VARIOUS FORMS. 

Physical dangers
 

Chemical dangers
 

Occupational exposure limits
TLV (NOT-ESTABLISHED):.
MAK (respirable fraction): 1.5 mg/m³; (DFG 2004). 

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

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

Effects of short-term exposure
 

Effects of long-term or repeated exposure
 


PHYSICAL PROPERTIES ENVIRONMENTAL DATA
Melting point: °C (0)
See Notes.
Density: 2.42 g/cm³
Solubility in water: none
Vapour pressure, Pa at 20°C: <10   		 

NOTES
The apparent melting point caused by loss of crystal water is given.
Alugel, Alumigel, Alusal, Amphogel, Almogastrin, Higilite, Hychol 705, Hydrafil, Hydral 705, Liquigel, Martinal, and Reheis F 1000 are trade names.
Card has been partly updated in October 2005.
See section Occupational Exposure Limits. 

ADDITIONAL INFORMATION
 

IPCS
International
Programme on
Chemical Safety 		WHO ILO EC Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004-2012
LEGAL NOTICE Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information. 
    See Also:
       Toxicological Abbreviations