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Diammonium hydrogen phosphate (DAP)
Chemical formula: (NH4)2HPO4
Molecular weight: 132.06
Standard executed: Q7089476401-1998
Properties: White granular crystal and relative density is 1.619, melting point is 155°C, easy to dissolve in water and not dissolve in alcohol, PH value of 1% water solution is 8.0. It will lose gradually ammonia to become ammonium dibasic phosphate.
Applications: Mainly used for the fire retardant of wood, paper and textile, and for fireproofing dope additive.
Package and storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg, 50kg and 100kg. keep in dry and windy conditions.