Emery |
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 Al2O3.] |
CAS No. 1302-74-5 (corundum) |
RTECS No. GN0231000 (corundum) |
DOT ID & Guide |
FormulaAl2O3 |
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) |
Measurement Methods
NIOSH 0500 , 0600
See: NMAM or OSHA Methods |
Physical Description Odorless, white, crystalline powder. |
| See ?-Alumina for physical & chemical properties. |
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Incompatibilities & Reactivities |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, respiratory system |
Target Organs Eyes, skin, respiratory system |
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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
Breathing: Fresh air
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION
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