Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and a single oxygen atom denoted as N2O. Nitrous oxide is commonly used for sedation and pain relief by medical professionals and dental professionals. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is detached and helps burn the cars normal fuel and release more energy.
The nitrous oxide sold here is for cooking purposes. It is utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.