Diammonium phosphate

Diammonium phosphate
(First grade, Upper grade )
(CF-DAP621,CF-DAP622)
Molecular formula : (NH4)2HPO4
Molecular weight : 132.05
Model No.: CF-DAP621(First grade) CF-DAP622(Upper grade )
Standards : Enterprise
Property : White sand-like crystal, special gravity : 1.619, melting point : 155oC, easy soluble in water. pH value of 1% water solution is 8.0.Specification :
Specification First grade Upper grade
Appearance White crystal White crystal
Total content    % ≥98 ≥98
P2O5 content     % ≥53 ≥53
N content     % ≥20.8 ≥20.8
Moisture      % ≤0.2 ≤0.2
Water insoluble matters  % ≤0.1 ≤0.1
Heavy metal ( base on Pb )     % -- ≤0.001
As ( base on As ) % -- ≤0.0003
Fluoride ( base on F ) % -- ≤0.005
Use : Used as fire retardant, fire-proofing agent, fire-proof agent additive for wood, paper, fabric, used in manufacturing late making, medicine and radio tube, also used in phosphorus, nitrogen high efficient compound fertilizer. Upper grade is mainly used as nutrient.Packing : 25kg or 50kg woven bag with plastic liner.