Ammonium phosphate

Ammonium phosphate is a chemical compound that is commonly used in fertilizers. It is composed of ammonium (NH4+) and phosphate (PO43-) ions.

Chemical Properties

Ammonium phosphate is an inorganic compound that is available in three forms: monoammonium phosphate (MAP), diammonium phosphate (DAP), and ammonium polyphosphate. Each form has different chemical properties and uses.

Monoammonium Phosphate

Monoammonium phosphate (MAP) is a compound with the chemical formula NH4H2PO4. It is a white crystalline solid that is soluble in water. MAP is primarily used as a fertilizer, but it is also used in fire extinguishers due to its ability to suppress flames.

Diammonium Phosphate

Diammonium phosphate (DAP) is a compound with the chemical formula (NH4)2HPO4. It is a highly soluble salt that is commonly used as a high-nitrogen fertilizer. DAP is also used in yeast cultures and in the production of certain processed foods.

Ammonium Polyphosphate

Ammonium polyphosphate is a compound with the general formula (NH4)n+2PnO3n+1. It is a colorless, crystalline solid that is used as a flame retardant and as a slow-release fertilizer.

Uses

Ammonium phosphate is primarily used as a source of nitrogen and phosphorus for plants. It is one of the main ingredients in many types of fertilizer, including those used in commercial agriculture and home gardening. In addition to its use in fertilizers, ammonium phosphate is also used in the food industry, in fire extinguishers, and in the production of certain types of glass and ceramics.

Health and Safety

Exposure to ammonium phosphate can cause irritation to the eyes, skin, and respiratory system. It is recommended to use personal protective equipment when handling this chemical. Ingestion or inhalation of large amounts can lead to serious health problems, including damage to the kidneys and the respiratory system.

See Also

• Ammonium nitrate
• Ammonium sulfate
• Phosphoric acid

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