Ammonium Sulfate: Properties, Production And Uses

Sulfur dioxide is oxidized to obtain sulfur trioxide, which is then reacted with ammonia and water to obtain ammonium sulfate. Ammonium sulfate can be used in the chemical industry and food industry. The chemical properties of ammonium sulfate are stable at normal temperature and pressure, non-volatile and non-decomposable. It can also be used in textiles, leather, medicine and other fields.
By keeping your costs down when preparing your fields, it becomes possible to increase your profit margin on each item grown. It also works to create benefits in the natural nutrient cycling process. When farmers in western Canada introduced this product to their fields, production levels rows by up to 60% each year.
Moreover, with advancements in technology, the potential uses of this compound are expanding into areas such as fire retardant materials and medical applications. The demand for ammonium sulfate is expected to increase due to the rising need for effective fertilizers to meet global food demand. Given its potential health impacts, it is crucial to handle ammonium sulfate with care. While ammonium sulfate is beneficial in many ways, it also has environmental and health impacts that need to be taken into account. Ammonium sulfate is also produced from gypsum, which is calcium sulfate dihydrate (CaSO4 • 2H2O), via the Haber process. The primary method of production involves the reaction of ammonia with sulfuric acid.
Understanding the core details of ammonium sulfate is important for both agricultural and chemical applications. With its high solubility and consistent performance, ammonium sulfate is used in various farming and industrial applications. That’s because all of the N in ammonium sulfate converts to nitrate, compared with only half of the N from ammonium nitrate that converts to nitrate. The acid-producing potential of ammonium sulfate is greater than the same N application from ammonium nitrate, for example.
Ammonium Sulfate is a dough conditioner, firming agent, and pro- cessing aid which is readily soluble in water with a solubility of approximately 70 g in 100 g of water at 0°c. It is also used as an additive to supply nutrient nitrogen in fermentation processes (e.g., yeast production from molasses). It is widely used as a fertilizer for rice and other crops. Ammonium sulfate was the first nitrogenous fertilizer made by the Haber-Bosch process, produced by the reaction of ammonia with sulfuric acid. It reacts with additional sulfuric acid to give triammonium hydrogen disulphate, (NH4)3H(SO4)2. Ammonium sulfate forms many double salts (ammonium metal sulfates) when its solution is mixed with equimolar solutions of metal sulfates and the solution is slowly evaporated.
This process, established by BASF during World War I, remains significant in regions with limited access to sulfuric acid, including India, Pakistan, and Turkey. The important source is caprolactam production, vital for nylon 6 synthesis. Continuous discharge, centrifugation, drying, and cooling processes facilitate ammonium sulfate isolation. The ensuing metastable solution yields particles ranging from 0.5 to 3 mm in size upon crystallization. The heat generated from the reaction between ammonia and sulfuric acid can effectively vaporize water if the acid concentration exceeds 70%. Alternatively, the indirect process involves the extraction of ammonia from coke-oven gas by water washing, followed by liberation using a lime suspension, and combining it with sulfuric acid.
Add a small amount of ammonium sulfate to the cell lysate to remove any proteins that are easily precipitated by ammonium sulfate. Ammonium sulfate should be stored in a cool, ventilated place, away from heat sources and fire, and avoid direct sunlight. Alfa Chemistry delivers high-quality products on time, meeting all customer needs.
The increasing need for sulfur-rich fertilizers, coupled with the shift toward balanced nutrient management, will ensure continued utilization in farming. Unlike covalent compounds, ammonium sulfate does not melt into a liquid but decomposes into ammonia, nitrogen, and sulfur oxides upon heating. The structure of ammonium sulfate consists of two ammonium ions (NH₄⁺) bonded ionically with a sulfate ion (SO₄²⁻). This detailed guide explores everything you need to know about ammonium sulfate and its structure, production, properties, applications, and safety considerations. Anyone can be able to come here, learn the basics of materials science, material properties and to compare these properties. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights.
Ammonium sulfate is used most commonly as an artificial fertilizer for alkaline soils. Ammonium sulfate has a unique chemical composition - it contains about 20% to 21% nitrogen and about 24% sulfur, which has become a nutrient source for crop growth. Ammonia reacts with sulfuric acid in a saturated crystallizer (under vacuum or atmospheric pressure) to produce ammonium sulfate crystals. The pH of 0.1mol/L ammonium sulfate aqueous solution is 5.5, which is a physiologically acidic fertilizer.
If you apply too much or not enough of it, then it can reduce the quality of your crops and annual yields. That’s why the advantages and disadvantages of ammonium sulfate fertilizer must receive careful consideration. A ban on ammonium sulfate products has been in place for over a decade in Pakistan. If you fall outside of that range, then an ammonium sulfate fertilizer is probably not the best choice to consider. Some crops do like to have acidic soil, so the optimal range for growth is typically a pH between 5.5 and 8.
However, in the case of IgY, the combined ammonium sulphate-octanoyl acid precipitation method yielded only 8.90 mg/mL of purified antibody, whereas treatment with ammonium sulphate alone yielded 13.80 mg/mL of purified antibody. Treatment of goat serum using the combined ammonium sulphate-octanoic acid precipitation method yields 6.67 mg/mL of purified antibody, whereas treatment with ammonium sulphate alone yields only 4.49 mg/mL. In contrast, when egg yolk is treated with ammonium sulphate alone, although the yield is higher, the purity of the antibodies is lower.
The main difference is that ammonium sulfate contains the SO42− ion, while ammonium nitrate contains the NO3− ion. What is the difference between ammonium sulfate and ammonium nitrate? The percentage of nitrogen in ammonium sulfate is about 21.2% by mass. How do you calculate the percentage of nitrogen in ammonium sulfate? Ammonium sulfate is prepared by reacting ammonia with sulfuric acid in a neutralization reaction. For chloroform supplier on how chemical compounds support agriculture and the environment, explore topics like the Earth’s atmosphere, properties of water, and energy in physical systems on Vedantu.
The primary use of ammonium sulfate is as a fertilizer for alkaline soils. The DTap vaccine, which protects children from diphtheria, tetanus, and whooping cough, uses ammonium sulfate for this purpose. It’s also in flame retardant materials because it lowers the combustion temperature and increases the production of residues or chars. Today, manufacturers make it by reacting sulfuric acid with heated ammonia.

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Pub: 16 Sep 2026 12:07 UTC

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