Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom shortened as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical professionals & dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is release & helps combust the cars normal fuel and release more power.
The nitrous oxide sold on this site is for cooking uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary applications.