Diammonium Phosphate
Diammonium Phosphate
DIAMMONIUM PHOSPHATE
Diammonium Phosphate (NH4)2HPO4 is one of the water-soluble salt, an ammonium salt of phosphoric acid. It is an inorganic phosphate, plays the role of fertilizer. It is soluble in water and loses about 8% ammonium on disclosure to the air. When Diammonium Phosphate is heated it emits very toxic fumes of ammonia, phosphorus oxide, and nitrogen oxide. It is unstable at room temperature. It is used in household & commercial/institutional products as well as in pesticides. It has a structure containing tetrahedral phosphate. It is a crystalline substance.
USES AND APPLICATIONS FOR Ammonium Dioxide
- It is mainly used in fertilizers.
- It is widely utilized in garden care products.
- It is used as a nicotine enhancer.
- It is used in purifying water and clarifying sugar.
- It is used in toner and cosmetics.
- It is used as an ingredient in the fermentation process industrially.
- It is used as a flame-retardant for clothes and paper.
Preparation
We need raw materials i-e ammonia (NH3) and phosphorous acid (H3PO3). It is formulated in a very controlled reaction of ammonia with phosphoric acid and then hot slurry is cooled down and granulated.
Chemical Properties
- It has a cooling taste/saline.
- Insoluble in acetone and alcohols etc.
- It decomposes at 70°C into mono ammonium phosphate and ammonia.
- Diammonium Phosphate ordinarily contains 18% nitrogen and 46% phosphorus.
- It is usually stored air-conditioned in an airtight tower/pit.
- According to its pH, Diammonium Phosphate is alkaline, but when applied to soil, it increases the pH of the soil.