Molecular formula: NH4H2PO4
Molecular weight: 115.0
National Standard: HG/T4133-2021
CAS Number: 7722-76-1
Other Name: Ammonium Dihydrogen Phosphate;
Properties
White granular crystal; relative density at 1.803g/cm3, melting point at 190℃ , easily soluble in water, slightly soluble in alcohol, insoluble in ketene, PH value of 1% solution is 4.5.
Application
As a fire-prevention agent for fabric, timber and paper, as well as a fire-prevention coating, and dry powder for fire extinguisher. Used as a high effective non-chloride N, P compound fertilizer in agriculture. Its total nourishment (N+P2O5 ) is at 73%, and may be used as a basic raw material for N, P and K compound fertilizer.
Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:25 kgs on pallet: 22 MT/20’FCL; Un-palletized:25MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Assay % ≥ | 98.5 | 98.5 Min |
2 | Phosphorus pentoxide% ≥ | 60.8 | 61.0 Min |
3 | Nitrogen, as N % ≥ | 11.8 | 12.0 Min |
4 | PH (10g/L solution) | 4.2-4.8 | 4.2-4.8 |
5 | Moisture% ≤ | 0.5 | 0.2 |
6 | Heavy metals, as Pb % ≤ | / | 0.0025 |
7 | Arsenic, as As % ≤ | 0.005 | 0.003 Max |
8 | Pb % ≤ | / | 0.008 |
9 | Fluoride as F % ≤ | 0.02 | 0.01 Max |
10 | Water insoluble % ≤ | 0.1 | 0.01 |
11 | SO4 % ≤ | 0.9 | 0.1 |
12 | Cl % ≤ | / | 0.008 |
13 | Iron as Fe % ≤ | / | 0.02 |