Purity: 99.8% CAS Number: 7439-95-4 UN Number: UN1418 Hazard Class: 4.3 Packing Group: II 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: …