Nitrous oxide is a colourless gas. It has two nitrogen atoms & a single oxygen atom written as N2O. Nitrous oxide is typically used for anesthesia & pain relief by medical professionals and 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 lowwer temperatures. However, when super heated the oxygen is broken off & helps burn the cars normal fuel and release more power.
The nitrous oxide for sale here is for cooking uses. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.