Formula: HNO3 Formula weight: 63.01 CAS Number: 7697-37-2 UN Number: UN2031 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2808.00 Hazard Statements: H314-H272 Causes severe skin burns and eye damage. May intensify fire; oxidizer. Precautionary Statements: …