Purity: 99+% CAS Number: 7439-95-4 UN Number: UN1869 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  8104.30 Hazard Statements: H228-H251-H261 Flammable solid. Self-heating: may catch fire. In contact with water releases flammable gas. Precautionary Statements: …