The 9-(4-tert-Butylphenyl)-3,6-bis(triphenylsilyl)-9H-carbazole, its cas register number is 898546-82-2. There are some first aid measures: (1) Inhalation, please supply fresh air. If required, provide artificial respiration, and keep patient warm, also consult doctor if symptoms persist; (2) Skin contact, please seek immediate medical advice, then instantly wash with water and soap and rinse thoroughly; (3) Eye contact, please seek immediate medical advice, and rinse opened eye for several minutes under running water. Then consult doctor; (4) Swallowing, please seek immediate medical advice.