Nitrous oxide is a colourless gas. It has dual nitrogen atoms & 1 oxygen atom written as N2O. Nitrous oxide is commonly used for sedation and pain relief by medical doctors & dental professionals. It has also been misused by people for recreational purposes.
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 & helps combust the cars usual fuel and release more energy.
The nitrous oxide for sale here is for culinary purposes. It is utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary applications.