Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and 1 oxygen atom written as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors 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 & helps combust the cars normal fuel and release more energy.
The nitrous oxide for sale here is for cooking purposes. It can be utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking applications.