Formula: CaSi2 Formula weight: 96.25 Purity: tech. Ca ^=30%, may contain up to 5% Fe CAS Number: 12013-56-8 UN Number: UN1405 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  2850.00 Hazard Statements: H261 In contact with water releases flammable gas. …