Molecular formula: NH4H2PO4
Molecular weight: 115.0
National Standard: HG/T4133-2010
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
Mono Ammonium Phosphate is the main raw material of dry powder extinguishing, and the mixture composed of boric acid and sodium tungstate is very effective for the flame retardant of fabric.
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 |