NIOSH logo and tagline

Emery

Related Pages
Synonyms & Trade Names
Aluminum oxide [Emery], Aluminum trioxide [Emery], 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 Al2O3.]
CAS No.
1302-74-5 (corundum)
RTECS No.
GN0231000 (corundum)
DOT ID & Guide
Formula
Al₂O₃
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
See Appendix D
OSHA PEL
TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) See Appendix G
Measurement Methods
NIOSH 0500 , 0600
See: NMAM or OSHA Methods
Physical Description
Odorless, white, crystalline powder.
Molecular Weight
See α-Alumina for physical & chemical properties.
Incompatibilities & Reactivities
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system
Target Organs
Eyes, skin, respiratory system
Personal Protection/Sanitation
(See protection codes)
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

Not available.

Important additional information about respirator selection

See also
INTRODUCTION
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health