Isobutane is a gas that can be easily liquified, sometimes used as a propellent in aerosols. (El isobutano es un gas que se puede licuar fácilmente, a veces se usa como propulsor en aerosoles.)
Under the California Cleaning Product Right to Know Act, the disclosure of fragrance allergens included on Annex III of the EU Cosmetics Regulation No 1223/2009, ingredients that appear on one or more of 22 Designated Lists, and/or certain Nonfunctional Constituents are required to provide consumers and workers with detailed ingredient information about the cleaning products they purchase.