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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

FormulaAl2O3
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELSee 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 WeightSee 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 NIOSH Pocket Guide to Chemical Hazards
Introduction
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Chemical Names, Synonyms and Trade Names
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CAS Numbers
RTECS Numbers
Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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