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CAS 26628-22-8

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Sodium azide

Description:
Sodium azide (NaN₃) is an inorganic compound characterized by its white crystalline appearance and high solubility in water. It is primarily known for its use as a preservative in laboratories and as a propellant in automotive airbags due to its rapid decomposition into nitrogen gas when heated or subjected to shock. Sodium azide is highly toxic and poses significant health risks, including potential effects on the central nervous system and the ability to cause metabolic acidosis. It is also classified as an explosive material under certain conditions, particularly when in concentrated forms or when mixed with other substances. The compound has a relatively low melting point and can be handled safely only with appropriate precautions, including the use of personal protective equipment. In terms of reactivity, sodium azide can react with heavy metals to form highly toxic azide salts, and it should be stored away from incompatible materials. Due to its hazardous nature, sodium azide is subject to strict regulations regarding its use and disposal.
Formula:N3Na
InChI:InChI=1S/N3.Na/c1-3-2;/q-1;+1
InChI key:InChIKey=PXIPVTKHYLBLMZ-UHFFFAOYSA-N
SMILES:[N+](=N[Na])=[N-]
Synonyms:
  • Agrizide
  • Aziduro De Sodio
  • Azoture de sodium
  • Hydrazoic acid, sodium salt
  • Micro-O-Protect
  • Natriumazid
  • Nemazyd
  • Nsc 3072
  • Sep 100
  • Sodium Azide (For Air Bag)
  • See more synonyms
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