Zelluloid celluloid celluloid celluloid celluloide celluloïd celuloid celuloide celuloide σελουλόιντ צלולואיד Celluloid Zellhorn A tough, highly flammable but not usually explosive, synthetic thermoplastic composed essentially of cellulose nitrate and camphor or another plasticizer. It was originally a trademark of Hoechst Celanese. It was marketed as a substitute for ivory, horn, amber, tortoiseshell for use in piano keys, dolls, buttons, combs, brushes, mirrors, collars, dental plates, and other small items. Tough, transparent sheets and strips of celluloid were also used for photographic and motion picture films as well as animation cels. Celluloid film was cast from a solution of cellulose nitrate with wood alcohol (methanol), amyl nitrate, camphor and fusel oil (amyl alcohol) (AAT).