NIOSH Pocket Guide to Chemical Hazards


CAS 1344-28-1


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.]
DOT ID & Guide


NIOSH REL: See Appendix D
OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
White, odorless, crystalline powder.
MW: 101.9
BP: 5396°F
MLT: 3632°F
Sol: Insoluble
VP: 0 mmHg (approx)

Sp.Gr: 4.0
Fl.P: 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.]
Measurement Methods
NIOSH 0500, 0600; OSHA ID109SG, ID198SG
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Blot/brush away
Breathing: Fresh air
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes Irritation eyes, skin, respiratory system
Symptoms irritation eyes, skin, respiratory system
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 0351