alpha-Alumina
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CAS
1344-28-1
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Al2O3
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RTECS
BD1200000
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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
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Exposure
Limits
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NIOSH REL: See Appendix D
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OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
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IDLH
N.D.
See: IDLH INDEX
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Conversion
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Physical Description
White, odorless, crystalline powder.
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MW: 101.9
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BP: 5396°F
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MLT: 3632°F
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Sol: Insoluble
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VP: 0 mmHg (approx)
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IP: NA
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Sp.Gr: 4.0
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible solid, but dusts may form explosive mixtures in air.
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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.]
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Measurement Methods
NIOSH 0500, 0600; OSHA ID109SG, ID198SG
See: NMAM or OSHA Methods
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Personal Protection & Sanitation (See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Blot/brush away
Breathing: Fresh air
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
Inhalation, ingestion, skin and/or eye contact
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Symptoms
irritation eyes, skin, respiratory system
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 0351 |
