1336-21-6-Ammonium-hydroxide-solution Ammonium hydroxide solution, 32% Synonym: Ammonium solution, Ammonia aqueous, Ammonia water, Ammonia solution CAS Number: 1336-21-6 Assay: Min. 32% Linear Formula: NH4OH Molecular Weight: 35.05 Physical Form: Liquid, d. 0.90 Packaging: Glass Bottle