Alumina hydrate
Aluminum oxide trihydrate
Trihydroxyaluminum
AlH3O3 / Al(OH)3
Molecular mass: 78.0
ICSC # 0373
CAS # 21645-51-2
RTECS # BD0940000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Local exhaust.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Safety spectacles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Rinse mouth.
Rest.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers.
Wash away remainder with plenty of water.
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Important Data
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Physical State; Appearance:
ODOURLESS
WHITE
SOLID IN VARIOUS FORMS
Physical Dangers:
Chemical Dangers:
Occupational Exposure Limits:
TLV not established.
MAK: 1.5 mg/m3 (Respirable fraction).
Pregnancy risk group: D
(DFG 2006).
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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:
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Physical
Properties
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Melting point: (see Notes) 300
Density: 2.42
g/cm3
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Solubility in water:
none
Vapour pressure, Pa at 20°C: <10
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Environmental
Data
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N O T E S
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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 2006. See sections Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0373
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ALUMINUM HYDROXIDE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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