Formula: KReO4 Formula weight: 289.30 Purity: 99% (metals basis), Re 64% CAS Number: 10466-65-6 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2841.90 Hazard Statements: H272 May intensify fire; oxidizer. Precautionary Statements: …