Diammonium phosphate 7783-28-0


Product Deail


Diammonium phosphate

Another namePhosham;DAP.

【Description】White crystal or powder, relative density 1.619, decomposition at 155℃, can gradually lose ammonia and become ammonium dihydrogen phosphate in air. Soluble in water, insoluble in ethanol and acetone.

Test items

AR

CP

Other

Assay(H9N2O4P) /%

≥99.0

≥98.0

Custom

pH(50g/L,25℃)

7.8-8.2

7.8-8.2

Clarity of solution /#

≤3 ≤5

Water insoluble /%

≤0.005

≤0.01

Chloride(Cl) /%

≤0.000 5

≤0.004

Sulfur compounds(as SO42-) /%

≤0.005

≤0.01

Nitrate(as NO3-) /%

≤0.000 5

≤0.001

Sodium(Na) /%

≤0.01

≤0.02

Potassium(K) /%

≤0.003

≤0.01

Iron(Fe) /%

≤0.000 5

≤0.002

Arsenic(As) /%

≤0.000 2

≤0.002

Heavy metals(as Pb) /%

≤0.000 5

≤0.001

Use】Preparation of buffer and culture medium; Corrosion inhibitor; Fire retardant; Flame retardant; Welding flux; High efficiency fertilizer; Food additives; Pharmaceutical excipients.