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 |
FormulaNaN3 |
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: ? |
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| 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 |
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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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