Etocrilene Name Etocrilene Synonyms Ethyl 2-cyano-3, 3-diphenylpropenoate Molecular Formula C18H15NO2 Molecular Weight 277.32 CAS Registry Number 5232-99-5 EINECS 226-029-0 Appearance: white crystal Purity: 98PCT min Moisture: 0.5PCT max Uses: UV absorbers Packing: 25 kg/ barrel Melting point 97-99 º C Boiling point 174 º C ( 0.2 mmHg)