Description
MAP,
1:99% main content.
2:85% Phosphate,hot process for production.
3:High content and purity.
Chemical formula: NH4H2PO4
Molecular weight: 115.02
Standard executed: Q/7089476401-1998
Properties:
White crystals, relative density is 1.803, melting point is 190 C, 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.
Technical Specifications:
No.
standard name
industrial grade
food grade
1
Main content(as NH4H2PO4)%>/=
99.0
99.0
2
Phosphorus pent-oxide(as P2O5)%>/=
61.0
61.0
3
Nitrogen(as N)%>/=
11.8
11.8
4
PH value
4.4-4.8
4.4-4.8
5
Moisture%=
0.2
0.2
6
Heavy metal(as Pb)%=
0.001
7
Arsenic(As)%=
0.0003
8
Fluoride(as F)%=
0.005
9
Water insoluble %=
0.10
0.10