Diammonium Phosphate Fertilizers

Mono ammonium Phosphate (MAP)
Alias: Ammonium dihydrogen phosphate; industrial MAP
EINECS No.: 231-764-5
CAS No. : 7722-76-1
Molecular formula: NH4H2PO4
MW: 115.03
Character: The melting point is 190 ° C and density is 1.02 g ml ( 20 °C ,storage conditions is 2-8 °C ). It dissolved in water, and the solubility is 368g L (20 ºC).
Applications : Used as wood, paper, fabric flame retardant, fiber processing and dispersing agent in dye industries. And the agent of fire retardant coating , extinguishing agent of dry powder fire, or fermentation agent and nutritional agent in the food industry. Also used as a highly efficient N & P fertilizer.
Packing & storage: Plastic-woven sack with polythene inner bag, net weight per bag is 25kg,50kg and 100kg. keep in dry and windy conditions.
Technical Specifications:
Specification Index
Industrial grade Food grade
NH4H2PO4 %� 98.0 98.0
P2O5 %� 61.0 60.0
N %� 11.8 11.8
PH (1%solution) 4.4-4.6 4.4-4.6
Water insoluble %� 0.10 0.10
Moisture %� 0.5 0.5
Arsenic, as As %� ---- 0.0003
Fluoride, as F %� ---- 0.005
Heavy metal (Pb)� %� ---- 0.001
DAP
Quick Details:
Classification: Phosphate
Type: Diammonium Phosphate
CAS No.: 7783-28-0
Other Names: DAP
MF: (NH4)2HPO4
EINECS No.: 231-987-8
Grade Standard: Food Grade, Industrial Grade
Purity: 99%min
Molecular weight: 132.06
Appearance: White crystal
Packaging & DeliveryPackaging Detail: 2550kg plastic woven bag
Delivery Detail: In 15 days after order confirmed.
Specifications
1. DAP manufacturer
2. Formula: (NH4)2HPO4
3. NPK=21-53-00.
4. Hot phosphoric acid process
Properties: Colorless clarity rhombic crystal or white powder. The relative density is 2.338. It is soluble in water and insoluble in ethanol, acetone and ammonia. It decompounds at 155 centigrade. It is easy to lose ammonium and becomes ammonium dihydrogen phosphate in the air. React with ammonia and form triammonium phosphate