CAS NO.7783-28-0 Diammonium Phosphate (DAP)

PRODUCT NAME: Diammonium phosphate

CAS NO. 7783-28-0

Molecular Formula: (NH4)2HPO4                           

Molecular Weight: 132.056                              

Bulk density: 1.619

SPECIFICATIONS

Industrial use

Di-ammonium phosphate is used in the food industry as a food leavening agent, dough conditioner, buffering agent, yeast feed, bread improver, and fermentation aid for brewing. It can also be used for refining sugar. Di-ammonium phosphate is used for flame retardant treatment of fabrics, paper, wood, and plant fibers, impregnation treatment of wicks to increase their durability, and self extinguishing treatment after match ignition. Can be used as a dry powder fire extinguishing agent and phosphorus in fluorescent lamps. Can be used as a welding melt for tin, copper, bronze, and zinc. It is also used in printing and plate making, electronic tube manufacturing, ceramics and enamel industries, and other fields. Used for chrome dyeing of woolen fabrics in the printing and dyeing industry. Di-ammonium phosphate is mainly used as a corrosion inhibitor and bacterial nutrient in the biochemical treatment of wastewater in the field of water treatment. It is also used as a component of boiler water softener.

Agricultural use

Di-ammonium phosphate is a compound fertilizer containing two nutrients, nitrogen and phosphorus. It is a high concentration quick acting fertilizer with low solid content after dissolution, suitable for various crops and soils, especially for crops that prefer nitrogen and need phosphorus. It can be used as a base fertilizer or topdressing. When applied to acidic soil, it can reduce the fixation of iron and aluminum on phosphorus, maintain high effectiveness of phosphorus, and is suitable for deep application.

• KPOLYCHEM-COA-Diammonium phosphate

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