Nitrous oxide is a colourless gas. It has two nitrogen atoms and 1 oxygen atom shortened as N2O. Nitrous oxide is usually used for anesthesia and pain relief by medical doctors & 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 cooler temperatures. However, when super heated the oxygen is release and helps burn the cars normal petrol and release more power.
The nitrous oxide sold on this site is for culinary uses. It is utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary applications.