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