Ammonium Sulfate

Description

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• CAS:7783-20-2

Ammonium Sulfate COA

Ammonium Sulfate MSDS

Ammonium sulfate is an inorganic chemical compound with the chemical formula (NH4)2SO4. It contains 21 percent nitrogen in the form of ammonium ions and 24 percent sulfur as sulfate ions. The purified material takes the form of white granules or crystals. It is commonly used as a fertilizer and as an agricultural spray adjuvant for water soluble pesticides. It is also used in the preparation of other ammonium salts.

Ammonium sulfate is a salt of ammonia and sulfuric acid, and its chemical formula is (NH4)2SO4. Under standard conditions of temperature and pressure, it takes the form of fine white granules or crystals. It is not soluble in alcohol or liquid ammonia. It is slightly hygroscopic, absorbing water from the air at relative humidity above 81 percent (at about 20 °C).

Ammonium sulfate is used largely as an artificial fertilizer for alkaline soils. In the soil, the sulfate ion is released and forms sulfuric acid, lowering the pH balance of the soil (as do other sulfate compounds such as aluminum sulfate), while contributing essential nitrogen for plant growth.

In addition, it is used as an agricultural spray adjuvant for water soluble insecticides, herbicides, and fungicides. There it functions to bind iron and calcium cations that are present in both well water and plant cells. It is particularly effective as an adjuvant for 2,4-D (amine), glyphosate, and glufosinate herbicides.

It is also used in the preparation of other ammonium salts. In biochemistry, ammonium sulfate precipitation is a common method for purifying proteins by precipitation. As such, ammonium sulfate is also listed as an ingredient in many vaccines used in the United States, according to the Centers for Disease Control and Prevention (CDC)