Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and a single oxygen atom denoted as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors & dental professionals. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is broken off and helps burn the cars ordinary fuel and release more power.
The nitrous oxide sold here is for food and drink uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking uses.