Description
AMMONIUM ALUM, also known as aluminum ammonium sulfate, is a white crystalline solid with the chemical formula AlNH4(SO4)2·12H2O. It is a double salt of aluminum sulfate and ammonium sulfate. AMMONIUM ALUM is commonly used in various industrial and household applications. It is used as an astringent and antiseptic in cosmetics and personal care products. It is also used in water purification, as a mordant in dyeing textiles, and as a flame retardant. Additionally, AMMONIUM ALUM is used in baking powder as an acidulant and in the preparation of pickles to maintain crispness.