Nitrous oxide is a colourless gas. It has two nitrogen atoms and one oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation & 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 fuel booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is release and helps combust the cars usual fuel and release more power.
The nitrous oxide sold here is for food and drink purposes. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.