Nitrous oxide is a colourless gas. It has two nitrogen atoms & 1 oxygen atom written as N2O. Nitrous oxide is commonly used for sedation & 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 cooler temperatures. However, when super heated the oxygen is broken off and helps burn the cars ordinary petrol and release more energy.
The nitrous oxide sold on this site is for food and drink uses. It can be utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary applications.