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Sodium azide

Synonyms & Trade Names
Azide, Azium, Sodium salt of hydrazoic acid
CAS No.
26628-22-8
RTECS No.
VY8050000
DOT ID & Guide
1687 153
Formula
NaN3
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: C 0.1 ppm (as HN3) [skin] C 0.3 mg/m3 (as NaN3) [skin]
OSHA PEL
†: none
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.]
MW:
65.0
BP:
Decomposes		 MLT: 527°F (Decomposes) Sol(63°F): 42%
VP:
?
IP:
11.70 eV
Sp.Gr:
1.85
Fl.P:
?
UEL:
?
LEL:
?
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   See ICSC CARD: 0950
 

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