Sodium azide

From WikiMD's Wellness Encyclopedia

Sodium Azide[edit | edit source]

Introduction[edit | edit source]

Sodium Azide (chemical formula NaN3) is an inorganic compound known for its role in the automotive industry, particularly in legacy car airbag systems. This colorless salt is notable for being a gas-forming component and is also used in the synthesis of other azide compounds.


Properties and Structure[edit | edit source]

Sodium azide is an ionic substance composed of sodium (Na) and azide (N3) ions. It is highly soluble in water and has a distinct property of rapidly decomposing to form nitrogen gas when heated.

Crystal structure of Sodium Azide.

Uses[edit | edit source]

Airbags in Vehicles[edit | edit source]

The primary use of sodium azide has been in the automotive industry, where it rapidly produces nitrogen gas to inflate airbags upon impact. Airbags function by a quick decomposition of sodium azide under high temperatures.

Laboratory Uses[edit | edit source]

In laboratories, sodium azide is used in the preparation of other azide compounds. It also serves as a preservative in laboratory samples due to its bacteriostatic properties.

Health and Safety Concerns[edit | edit source]

Sodium azide is acutely poisonous and poses significant health risks. It can be harmful if swallowed, inhaled, or upon contact with skin. Proper safety measures and handling procedures are crucial when dealing with this compound.

Environmental Impact[edit | edit source]

The environmental impact of sodium azide, especially its role in airbag disposal, is a subject of concern. The compound can release toxic gases and has potential harmful effects on aquatic life.

Regulatory Status[edit | edit source]

Due to its toxic nature, the handling and disposal of sodium azide are regulated in many countries. Specific guidelines are provided for its safe use and disposal.

See Also[edit | edit source]

References[edit | edit source]


External Links[edit | edit source]

Sodium azide Resources
Wikipedia
WikiMD
Navigation: Wellness - Encyclopedia - Health topics - Disease Index‏‎ - Drugs - World Directory - Gray's Anatomy - Keto diet - Recipes

Search WikiMD

Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD

WikiMD's Wellness Encyclopedia

Let Food Be Thy Medicine
Medicine Thy Food - Hippocrates

Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.

Contributors: Kondreddy Naveen