Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom written as N2O. Nitrous oxide is commonly used for sedation & pain relief by medical doctors and dental professionals. It has also been misused by people for recreational purposes.
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 burn the cars normal fuel and release more energy.
The nitrous oxide for sale here is for food & drink purposes. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other foodcooking applications.