Name: Ammonium dihydrogen phosphate (MAP)

(Synonym: Mono-Ammonium Phosphate)

Chemical formula: NH4H2PO4

Molecular weight: 115.02

Standard Executed: Q/7089476401-1998

Properties: White crystals, relative density is 1.803, melting point is 190 degree celsius, easy to dissolve in water and less to dissolve in alcohol, PH value of 1%water solution is 4.5.

Applications: Mainly used for the fireproofing agent of wood, paper and textile, and also for additive of fireproofing dopes, powder fireproofing agent, leaven and nutrient in food industry, and high-efficiency compound fertilizer.

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.

Technical Specifications:

No. Standard name industrial grade food grade

1 Main content(as NH4H2PO4)%¡Ý 99.0 99.0

2 Phosphorus pent-oxide(as P2O5)%¡Ý 61.0 61.0

3 Nitrogen(as N)%¡Ý 11.8 11.8

4 PH value 4.4-4.8 4.4-4.8

5 Moisture%¡Ü 0.2 0.2

6 Heavy metal(as Pb)%¡Ü 0.001

7 Arsenic(As)%¡Ü 0.0003

8 Fluoride(as F)%¡Ü 0.005

9 Water insoluble %¡Ü 0.10 0.10