Ammonium Sulfate, Crystal, Reagent, ACS, CAS Number 7783-20-2, Molecular Weight 132.14, Chemical Formula (NH4)2SO4, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade ACS, Chemical Container Size 500 g, Chemical Family Type Analytical Reagents, Shelf Life 24 mo, Shipping Restrictions Chemical Not Regulated For Transport, Special Information Pyridine Free