CAS : 91-64-5 Formula : C9H6O2 mol : 146.15 Boiling point: 298°C Melting point : 70°C Density : P&H codes : H301P264,P270,P301+P310+P330,P405,P501GHS06 Toxic if swallowed. WGK 1: slightly water endangering ADR : UN2811 Class : 6.1 Packing group : III