Nitrous oxide is a colourless gas. It has two nitrogen atoms & 1 oxygen atom written as N2O. Nitrous oxide is typically used for sedation & pain relief by medical professionals and 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 low temperatures. However, when super heated the oxygen is release and helps combust the cars normal petrol and release more energy.
The nitrous oxide sold on this site is for cooking uses. It can be utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking uses.