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Diammonium Phosphate

Diammonium phosphate Information: Di-Ammonium phosphate (DAP) is a kind of inorganic compound, colorless transparent monoclinic crystal or white powder. It is widely used in printing plate making, medicine, fire prevention, electronic tube and so on. It is a kind of high efficiency fertilizer...

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Diammonium phosphate

Information:

Di-Ammonium phosphate (DAP) is a kind of inorganic compound, colorless transparent monoclinic crystal or white powder. It is widely used in printing plate making, medicine, fire prevention, electronic tube and so on. It is a kind of high efficiency fertilizer widely used in vegetables, fruits, rice and wheat. It is used as feed additive, combustible agent and fire extinguishing agent in industry.


Application:

1.Used as a fire retardant for phosphorus fertilizers and wood, paper, and fabrics (e.g. as a burning agent for matchsticks and candle wicks) and in pharmaceutical products. It is also used as a feed additive for ruminant animals.

2.Used as food leavening agent, dough conditioner, buffering agent, yeast feed.

3.As a feed additive for ruminants.

4.Used as analytical reagent, such as PH buffer, precipitant of magnesium, zinc and nickel, supporting electrolytes in electrochemical analysis, also used as seed soaking agent, corrosion inhibitor and preparation of medium reagents.

 

Specification

English   Name:

Di-Ammonium phosphate

Cas No.

7783-28-0

Molecular   formula

(NH4)2HPO

molecular   weight

132.056

Character

White   crystals or powder.   No smell. It has a salty and cool taste. 8% of the ammonia can be lost in the   air.

density(g/mL,25/4℃):

1.619

Solubility

Soluble   in water, the solubility in hot water is 1g/1.7ml, the solubility in cold   water is 1g/0.5ml, and it is insoluble in ethanol and acetone.

melting   point(℃):

100

 

Index

(NH4)2HPO4%≥  

Water   insolubles%≤

Cl-%≤

Fe%≤

As%≤

Pb%≤

Top grade

99

0.002

0.002

0.003

0.0005

0.0005

Qualified

98

0.008

0.007

0.005

0.001

0.002


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