Molecular formula: Na2HPO4
Molecular weight: 141.96
CAS Number: 7558-79-4
Other Name: Disodium Monohydrogen Phosphate
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: 25MT/20’FCL; Un-palletized:27MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Main contents %≥ | 97.0 | 97.5 Min |
2 | Phosphorus pentoxide, %≥ | 49.0 | 49 Min |
3 | PH of 1% water solution | 8.5-10.0 | 8.5-10.0 |
4 | Sulfate, as SO4 %≤ | 0.7 | 0.2 |
5 | Heavy metals, as Pb %≤ | / | 0.005 |
6 | Arsenic, as As %≤ | 0.005 | 0.003 |
7 | Fluoride, as F %≤ | 0.05 | 0.01 |
8 | Water insoluble %≤ | 0.2 | 0.1 |
9 | Cl %≤ | 0.05 | 0.01 |
10 | Pb %≤ | / | 0.01 |
11 | Fe %≤ | / | 0.01 |
12 | Loss on drying %≤ | / | 5.0 |