The gases butane and isobutane are used in deodorant sprays.
Gases in Aerosol Deodorants
Aerosol deodorants utilize gases as propellants to expel the product from the can. While these gases do not directly contribute to the fragrance or odor-fighting components of the deodorant, they are essential for its function. The main gases used are:
- Butane: A common hydrocarbon used in aerosol products due to its ability to create the necessary pressure for dispensing the deodorant.
- Isobutane: Another hydrocarbon similar to butane. It is often used in combination with butane for a more effective spray.
These gases are volatile, meaning they easily turn into vapor, which allows them to push the deodorant mixture out of the can as a fine mist.
How it Works
The compressed gas in the deodorant canister creates pressure. When you press the nozzle, this pressure forces the liquid deodorant up a tube and out the opening, turning it into an aerosol spray. This technology relies on:
- Pressure: The gas maintains sufficient pressure in the can to ensure the contents are released when needed.
- Volatility: The gases easily transition from liquid to gas within the canister allowing them to propel the deodorant out of the can.
Summary
| Gas | Function |
|---|---|
| Butane | Propellant for aerosol sprays |
| Isobutane | Propellant, often used with butane |
In conclusion, both butane and isobutane serve as propellants that make aerosol deodorants possible.
