Name:Diammonium phosphate

Synonyms : DAP

Molecular Structure  

 

Molecular Formula: (NH₄)₂HPO₄

Molecular Weight :115.03

 

Diammonium phosphate (DAP) (chemical formula (NH4)2HPO4 ) is one of a series of water-soluble ammonium phosphate salts which can be produced when ammonia reacts with phosphoric acid. Other names include ammonium monohydrogen phosphate, and ammonium phosphate dibasic.

DAP is used as a fertilizer and a fire retardant. When applied as plant food, it temporarily increases the soil pH (more basic), but over a long term the treated ground becomes more acidic than before upon nitrification of the ammonium. It is incompatible with alkaline chemicals because its ammonium ion is more likely to convert to ammonia in a high-pH environment. As a flame retardant, it lowers the combustion temperature of the material, decreases maximum weight loss rates, and causes an increase in the production of residue or char.

DAP is also used as a yeast nutrient in winemaking and brewing mead; as an additive in some brands of cigarettes purportedly as a nicotine enhancer; to prevent afterglow in matches, in purifying sugar; as a flux for soldering tin, copper, zinc and brass; and to control precipitation of alkali-soluble and acid-insoluble colloidal dyes on wool.

Specification:

Industry Grade £º Q/WWY15 ¡ª 2003 or customer's demand
Food Grade £º FAO/WHO or customer's demand

Package £º 25Kg, 50kg, 1,000kg bags or according to customer's demand.

Storage:be stored in cool and dry place,keep away from light and heat.please seal it after opening it.

Shelf life:2years