... mainly used as pharmaceutical excipient. Chemical Description:polyvinylpyrrolidoneCAS No.9003-39-8Molecular and Structural Formula(C6H9NO)nCharacteristics --A white to creamy ... , pigments, plastics and resin, glass fiber, inks, adhesives, detergents, films, TV tube, tabulating, rubberized, disinfector, paper, textile dying and printing, etc ...