What is the Difference Between Ammonium Nitrate and Ammonium Sulfate?

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Ammonium nitrate and ammonium sulfate are both ammonium salts used as fertilizers, but they have different chemical compositions and properties. The main differences between them include:

  1. Chemical Composition: Ammonium nitrate has the chemical formula NH4NO3, while ammonium sulfate has the chemical formula (NH4)2SO4. Ammonium nitrate is a salt of nitric acid and ammonia, whereas ammonium sulfate is a salt of sulfuric acid and ammonia.
  2. Solubility: Both ammonium nitrate and ammonium sulfate are soluble in water, but ammonium nitrate is also soluble in alcohol.
  3. Acidity: Ammonium nitrate is suitable for acidic soils, while ammonium sulfate is better suited for alkaline soils.
  4. Sulfur Content: Ammonium sulfate also provides sulfur to plants, which is an essential nutrient for plant growth.
  5. Explosive Properties: Ammonium nitrate can be used as an explosive when mixed with a fuel like diesel.

In summary, the key difference between ammonium nitrate and ammonium sulfate lies in their chemical composition, solubility, and acidity. Ammonium nitrate is more suitable for acidic soils, while ammonium sulfate is better for alkaline soils. Additionally, ammonium sulfate provides sulfur, an essential nutrient for plants, and ammonium nitrate can be used as an explosive when mixed with fuel.

Comparative Table: Ammonium Nitrate vs Ammonium Sulfate

Here is a table comparing the differences between ammonium nitrate and ammonium sulfate:

Property Ammonium Nitrate Ammonium Sulfate
Chemical Formula NH4NO3 (NH4)2SO4
Molar Mass 80.043 g/mol 132.14 g/mol
Nitrogen Content 35% wt. 21% wt.
Appearance White solid crystals Fine white pellets
Dissolution Easily dissolves in water Easily dissolves in water
pH Value Acidic Acidic
Soil Application Acidic soil Alkaline soil
Explosive Properties Highly explosive when mixed with fuel Non-explosive
Fertilizer Application Used as a nitrogen-based fertilizer for acidic soil Used as a nitrogen-based fertilizer for alkaline soil

Both ammonium nitrate and ammonium sulfate are inorganic salts of ammonia and are used as fertilizers. However, they have different compositions, characteristics, and applications. Ammonium nitrate has a higher nitrogen content and is used for acidic soil, while ammonium sulfate has a lower nitrogen content and is used for alkaline soil. Ammonium nitrate is highly explosive when mixed with fuel, whereas ammonium sulfate is non-explosive.