Nitrous oxide is a colourless gas. It has dual nitrogen atoms and 1 oxygen atom written 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 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 release and helps burn the cars ordinary petrol and release more energy.
The nitrous oxide for sale here is for cooking uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary applications.