NIOSH Pocket Guide to Chemical Hazards

Emery CAS 1302-74-5 (corundum)
Al2O3 RTECS GN0231000 (corundum)
Synonyms & Trade Names
Aluminum oxide, Aluminum trioxide, Corundum, Impure corundum, Natural aluminum oxide [Note: Emery is an impure variety of Al2O3 which may contain small impurities of iron, magnesium & silica Corundum is natural Al2O
DOT ID & Guide
NIOSH REL: See Appendix D
OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D. Conversion
Physical Description
Odorless, white, crystalline powder.
See alpha-Alumina for physical & chemical properties.

Incompatibilities & Reactivities
Measurement Methods
NIOSH 0500, 0600
Personal Protection & Sanitation
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately

Breathing: Fresh air
Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system
Target Organs Eyes, skin, respiratory system