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DAP ( diammonium phosphate )

CAS No.:7783-28-0 

EINECS:231-987-8 

MF: (NH4)2HPO4 

Melting point: 155 ° C (dec) (lit.) 

Boiling point: 158 ° C at 760 mmHg 

Fold the firing rate: 1.53  

Application: 

High nitrogen and phosphorus binary fertilizer, common specifications: physical neutral fertilizer, applicable to any soil and the vast majority of crops, particularly applicable to xi ammonium phosphate crops, as basic fertilizer or fertilizer, appropriate is deep.Used as a curing agent of urea-formaldehyde resin adhesives, with a 20% aqueous solution, curing speed of the slowest.Also used as additive flame retardants.If adding a small amount of DAP, natural rubber latex can effectively eliminate the magnesium ions in latex, does not reduce the tensile strength of the natural latex after vulcanization.

Usage: 

Diammonium phosphate is a kind of high concentration of phosphorus fertilizer, applicable to all kinds of crop and soil, the crops of nitrogen to phosphorus is particularly suited to xi, as a basic fertilizer or fertilizer, it is appropriate deeply.

Method: 

It is a good miscibility with Urea, ammonium nitrate, ammonium chloride together, because of its itself does not contain potassium, should cooperate with potash (potassium chloride, potassium sulfate) application. 

Attentions: 

1. When the application is given priority to with basal fertilizer is complementary, if use a combination of these, and with a small amount of farmyard manure effect is better.

2. As a seed manure and fertilizer, fertilizer should be placed in 5-10 cm away from the seeds, and fertilizer evenly dispersed, shoot to avoid burning, burning seedlings.

Specification of DAP: