Colorless crystals or white particles of ammonium sulfate. No smell. Decomposition above 280℃. Insoluble in ethanol and acetone. Ammonium sulfate is mainly used as fertilizer and is suitable for various soils and crops. It can also be used in textile, leather and medicine. The pure product is colorless and transparent orthorhombic crystal, and the aqueous solution is acidic. Insoluble in alcohol, acetone and ammonia. Has hygroscopicity, and is solidified into a block after moisture absorption. Heating to above 513℃ completely decomposes into ammonia, nitrogen, sulfur dioxide and water. When it reacts with alkali, ammonia gas is released. React with barium chloride solution to generate barium sulfate precipitate. It can also make protein salting out.
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