C4H10, küllastunud süsivesinik. ... Butaani saadakse maagaasist, naftast ja nafta töötlemisel tekkivast gaasist ning tarvit. 1,3-butadieeni, buteeni jt. ainete tootmiseks; ta moodustab olulise osa nn.vedelgaasist.
Articles 22, 23 and 24 shall not apply to the provisions governing munitions and explosives placed on the market with a view to producing a practical effect by explosion or a pyrotechnic effect. Nor shall the abovementioned Articles be applicable to the provisions relating to butane, propane and liquefied petroleum gas until 30 April 1997.
