Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and 1 oxygen atom shortened as N2O. Nitrous oxide is usually used for sedation and pain relief by medical professionals & dental professionals. 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 and helps combust the cars normal fuel and release more power.
The nitrous oxide sold here is for culinary purposes. It can be utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and many other foodcooking applications.