Ammonium sulfate, additionally written ammonium sulphate, is a salt typically used together a floor fertilizer as result of the high percentage on nitrogen in its composition.

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Formula and also structure: Ammonium sulfate chemical formula is (NH4)2SO4 and its molar fixed is 132.14 g/mol. The molecule is developed by two complex ions: the ammonium ion NH4+ that is tetrahedrical and also is formed by a main nitrogen atom shortcut to 4 nitrogen atoms and also a second complicated ion is the sulfate anion, formed by a main sulfur atom bond come 4 oxygen atoms. Its chemical structure deserve to be written as below, in the common representations used for essential molecules.


Occurrence: Ammonium sulfate is uncovered in nature as being a component of some minerals together mascagnite, which is found in volcanoes and also coal fires.

Preparation: back ammonium sulfate is found in nature, the quantities are as well low contrasted to the world demand through this salt, therefore that some methods have actually been developed in bespeak to acquire this sulfate. One example is the reaction the ammonia v sulfuric acid.

2 NH3 + H2SO4 → (NH4)2SO4

Another technique is the reaction of the mineral gypsum (CaSO4.H2O) through ammonium carbonate.

(NH4)2CO3 + CaSO4 → (NH4)2SO4 + CaCO3

Physical properties: Ammonium sulfate is a white, hygroscopic, crystalline solid. Its density is 1.77 g/mol and also its melting allude is 235 come 280 ºC (decomposition). It is highly soluble in water but it insoluble in acetone, ethanol and ether.

Chemical properties: one of the most interesting properties of the ammonium sulfate is formation of salts with added cations, such as metals. Because that example, ammonium sulfate can type ferric ammonium sulfate salt or other salts with properties various from the ammonium sulfate. As result of its high or excessive solubility in water, that is used for saturation solutions and promote precipitation that a 3rd component current in the solution, such as protein solution.

Uses: Ammonium sulfate is used as a fertilizer agent for soils due to the amount of nitrogen presents in the molecule; do it great for that purpose. It is also use together a reagent because that molecular biology since it is a an excellent precipitant agent for proteins. Moreover, that is a food additive and also an acidity regulator.

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Health effects/safety hazards: Ammonium sulfate is slightly toxic if inhaled and can cause eye irritation and also respiratory irritation. The is toxic to aquatic life.