Formula: Er(NO3)3 5H2O Formula weight: 443.35 (353.27anhy) Purity: 99.99% (REO) CAS Number: 10031-51-3 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2846.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin…