CAS : 2665-12-5 Formula : C21H21BO3 mol : 332.21 Boiling point: 386°C Melting point : °C Density : 1.09 P&H codes : H302P264,P270,P301+P312+P330,P501GHS07 Harmful if swallowed. WGK 3: highly water endangering ADR: not subjected to ADR Class : Packing group :