Diammonium Phosphate

DAP,diammonium hydrogen phosphate

Production information

PROPERTIES & USAGE
Properties		Usage
Chemical formula	(NH4)2HPO4	fertilizer
Density	1.619 g/cm3	fire retardant
Melting point	155 °C (311 °F; 428 K) decomposes	yeast nutrient in winemaking and mead brewing
Molar mass	132.06 g/mol

SPECIFICATION
Specification	:	Fertilizer Grade	Food Grade	Technical Grade
Total Nutrient(N+ P2O5)	:	64% min		53% min
Nitrogen	:	18% min		20.8% min
Available Phosphate(P2O5)	:	46% min
Water Soluble Phosphate	:	41% min
Moisture	:	1.5% max		0.2% max
Granularity(1-4mm)%	:	90% min
Fraction of total mass of granules measuring	:
Under 1mm	:
2mm-5mm	:
Over 6mm	:
Appearance	:		White Crystalline Powder	White Crystal
Static strength of granules, MPa :	:
Colour	:	Brown
IDENTIFICATION	:		Complies
SOLUBILITY	:		Freely soluble in water	0.1% max
pH ( 1: 100 solution )	:		7.6 to 8.2	7.8 – 8.2
ASSAY	:		96% – 102%	98% min
ARSENIC	:		3 mg/kg Max
FLUORIDE	:		10 mg/kg Max	0.05% max
LEAD	:		4 mg/kg Max
Calcium (Ca)	:			0.05% max
Pb	:			0.05% max
As	:			0.05% max
Hg	:			0.05% max

Food & Beverage

GREMONT CHEMICAL COMPANY LIMITED TEL NO : 886-2-2231-2360 E-MAIL : gremont.chem@msa.hinet.net