Molecular formula: Na2HPO4-12H2O
Molecular weight: 358.14
CAS Number: 10039-32-4
Other Name: Disodium Monohydrogen Phosphate
National Standard:HG-T2965-2009
Properties
White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.52 g/cm3, melting point at 35℃
Application
Used as a fire-preventio agent for fabric, timber, and paper, also as water softening agent for boiler,
Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:25 kgs on pallet: 22MT/20’FCL; Un-palletized:25MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Assay %≥ | 97.0 | 98 |
2 | Phosphorus pentoxide, %≥ | / | 19.2 |
3 | PH (10g/L solution) | 8.8-9.2 | 8.8-9.2 |
4 | Sulfate, as SO4 %≤ | 0.7 | 0.5 |
5 | Heavy metals, as Pb %≤ | / | 0.003 |
6 | Arsenic, as As %≤ | 0.005 | 0.008 |
7 | Fluoride, as F %≤ | 0.05 | 0.01 |
8 | Water insoluble %≤ | 0.05 | 0.01 |
9 | Cl %≤ | / | 0.2 |
10 | Pb %≤ | / | 0.001 |
11 | Fe %≤ | 0.05 | 0.01 |
12 | Loss on drying %≤ | / | 61 |