Investigation Activity and Data on Safety of Liquid Crystal Materials

Abstract The safety data of the 76 liquid crystal components with CN-group, which were officially excluded from the list of 'deleterious substances' are discussed. The acute toxicity of the 496 liquid crystal components without CN-group being used in the market and classified according the terminal groups and the linkages are shown. The statement on the safety of the liquid crystal materials by the three liquid crystal material suppliers is made.