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Sodium azide																				Related Pages
Synonyms & Trade Names
			Azide, Azium, Sodium salt of hydrazoic acid
CAS No.
			26628-22-8
	RTECS No.
			VY8050000
	DOT ID & Guide
			1687 153

FormulaNaN3
	Conversion
	IDLH
			N.D.See: IDLH INDEX

Exposure Limits
			NIOSH RELC 0.1 ppm (as HN3) [skin] C 0.3 mg/m3 (as NaN3) [skin]
					OSHA PEL none See Appendix G
	Measurement Methods
			**OSHA** ID121 , ID211
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless to white, odorless, crystalline solid.
					[pesticide] [Note: Forms hydrazoic acid (HN3) in water.]													
										
Molecular Weight65.0	
	Boiling PointDecomposes
	Melting Point527°F (Decomposes)
	Solubility(63°F): 42%
	Vapor Pressure?
	Ionization Potential11.70 eV											
Specific Gravity1.85	
	Flash Point?
	Upper Explosive Limit?
	Lower Explosive Limit?
Combustible Solid (if heated above 572°F).
Incompatibilities & Reactivities
			Acids, metals, water
					[Note: Over a period of time, sodium azide may react with copper, lead, brass, or solder in plumbing systems to form an accumulation of the HIGHLY EXPLOSIVE compounds of lead azide & copper azide.]
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin; headache, dizziness, lassitude (weakness, exhaustion), blurred vision; low blood pressure, bradycardia; kidney changes
Target Organs
			Eyes, skin, central nervous system, cardiovascular system, kidneys
										
Personal Protection/Sanitation
			(See protection codes) **Skin:**Prevent skin contact
							**Eyes:**Prevent eye contact
							**Wash skin:**When contaminated
							**Remove:**When wet or contaminated
							**Change:**Daily
							**Provide:**Eyewash, Quick drench
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			Not available.
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0950

			
							

			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
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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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