Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and one oxygen atom written as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors 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 combust the cars normal petrol and release more power.
The nitrous oxide sold here is for food & drink uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.