Chemical formula: Na3PO4
Molecular weight: 163.94
CAS Number: 7601-54-9
Standard: Q/73587183-5.1-2016
Properties
Sodium Phosphate, Tribasic, occurs as white crystals or granules or as a crystalline material. It may be anhydrous or contain1 to 12 molecules of water of hydration. The formula for acrystalline material is approximately 4(Na3PO4·12H2O)-NaOH. It is freely soluble in water, but is insoluble in alcohol.The pH of a 1:100 aqueous solution is between 11.5 and 12.5.
Application
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
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% ≥ | 98.0 | 99 Min |
2 | P2O5 %≥ | 39.5 | 40 Min |
3 | Sodium oxide, as Na2O | 36-40 | 36-40 |
4 | Sulfate, as SO4 % ≤ | 0.5 | 0.1 |
5 | Heavy metal, as Pb% ≤ | / | 0.005 |
6 | Arsenic, as As% ≤ | 0.005 | 0.005 Max |
7 | Fluoride as F% ≤ | / | 0.05 |
8 | Water insoluble% ≤ | 0.2 | 0.10 |
9 | Pb % ≤ | / | 0.005 |
10 | Cl % ≤ | 0.4 | 0.1 |
11 | Fe % ≤ | 0.01 | 0.001 |
12 | PH | 11.5—12.5 | 11.5—12.5 |
12 | Loss on drying % ≤ | / | 2 |