Nitrous Oxide (N2O) is a colorless gas (at room temperature and atmospheric pressure) having sweet odor. It is non toxic simple asphyxiant and anesthetic gas. It is a Middle Oxidizer and supports combustion.
Nitrous Oxide is used mainly for hospital applications. Another common application is Nitro booster in high speed racing cars.
Applications
Not known in the free state, but forming a well known series of salts, namely the nitrites, nitrous oxide has been used for medical purposes since the late 18th century. Nitrous oxide is used as a mild anesthetic, often in combination with other agents, in dentistry, traditional surgery and cryosurgery.
N2O is unreactive with most substances when at room temperature, including alkali metals, halogens, and even ozone. Due to this it is widely used as a propellant in aerosol cans in place of the CFCs which can damage the ozone layer.
Some more applications are listed as below:
Food Industry
semiconductors
Manufacturing of chemicals
As a Fuel in Auto Racing Industry
Audited Supplier 
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