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NIOSH
Pocket Guide
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alpha-Alumina |
CAS 1344-28-1 |
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Al2O3 |
RTECS BD1200000 |
Synonyms & Trade Names
Alumina, Aluminum oxide, Aluminum trioxide [Note: alpha-Alumina
is the main component of technical grade alumina. Corundum is
natural Al2O3. Emery is an impure crystalline variety of Al2O3.]
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DOT ID & Guide |
Exposure
Limits |
NIOSH REL |
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OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) |
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IDLH |
Conversion |
Physical Description
White, odorless, crystalline powder.
MW: 101.9
BP: 5396°F
MLT: 3632°F
Sol: Insoluble
VP: 0 mmHg (approx)
IP: NA
Sp.Gr: 4.0
Fl.P: NA
UEL: NA
LEL: NA
Noncombustible solid, but dusts may form explosive mixtures in
air.
Incompatibilities & Reactivities
Chlorine trifluoride, hot chlorinated rubber, acids, oxidizers
[Note: Hydrogen gas may be formed when finely divided iron contacts
moisture during crushing & milling operations.] |
Personal
Protection & Sanitation
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First
Aid
Eye: Irrigate immediately
Skin: Blot/brush away
Breathing: Fresh air
Swallow: Medical attention immediately
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Respirator Recommendations To be
added later
Exposure Routes Irritation eyes, skin, respiratory system
Symptoms irritation eyes, skin, respiratory system
Target Organs Eyes, skin, respiratory system
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