Formula: C10H8 Formula weight: 128.17 Purity: 99+% CAS Number: 91-20-3 UN Number: UN1334 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H228-H351-H302 Flammable solid. Suspected of causing cancer. Harmful if swallowed. …