Colourless Type Isoamyl Alcohol is an olefinic hydrocarbon recovered from petrochemical or refinery manufacturing processes. The Alcohol is a four-carbon branched alkene and at standard temperature and pressure it is a colourless flammable gas. The Alcohol is diluents in some printing inks, lacquers and gums and is used as a UV absorber in some cosmetic formulations, and the item itself finds application as a cosmetic flavouring and in perfume. The Alcohol is used as solvent for the preparation of synthetic apricot, banana, cheery, greengage, malt, orange, plum and whiskey flavours, and is a raw material in the production of synthetic banana oil. The Colourless Type Isoamyl Alcohol is used for estimation of fat in milk and milk items and is a blend of properties that makes it suitable for use as a foam suppressant, affecting the surface tension of micro-emulsions and causing foam breaking.