Chemical formula: Na3PO4. 12H2O
Molecular weight: 380.12
CAS Number: 10101-89-0
Standard: HG/T2517-2009
Other Name: Sodium Phosphate, Tribasic
Properties
White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
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: 24MT/20’FCL; Un-palletized:25MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Assay % ≥ | 98.0 | 98.5 Min |
2 | P2O5 %≥ | / | 18.3 |
3 | Sodium oxide, as Na2O | / | 15.5-19 |
4 | Sulfate, as SO4 % ≤ | 0.5 | 0.3 |
5 | Heavy metal, as Pb% ≤ | / | 0.005 |
6 | Arsenic, as As% ≤ | 0.005 | 0.005 Max |
7 | Fluoride as F% ≤ | / | 0.005 Max |
8 | Water insoluble% ≤ | 0.1 | 0.1 Max |
9 | Pb % ≤ | / | 0.003 |
10 | Cl % ≤ | 0.4 | 0.3 |
11 | Fe % ≤ | 0.01 | 0.008 |
12 | PH(10g/L solution) | 11.5—12.5 | 11.5—12.5 |
13 | Loss on drying % ≤ | / | 45--57 |