Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and one oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation and pain relief by medical doctors & dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at lowwer temperatures. However, when super heated the oxygen is broken off and helps combust the cars usual petrol and release more energy.
The nitrous oxide for sale here is for cooking uses. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & many other foodcooking applications.