Trisodium Phosphate
Applications
Used as a water softening agent, buffering agent, cleaning agent in electroplating, color fixer in fabric dyeing etc. Also used to avoid re-precipitation of Fe in Kaolin Clay processing after bleach.
Properties
White free flowing crystals, easily soluble in water but not in organic solution. Its water solution is alkaline with a PH value (1% solution) of 12.1 , relative density at 1.62g/cm3, and melting point is 73.4 0c.
Products
| Product: | TRISODIUM PHOSPHATE (Tech Grade) |
| Chemical Formula | Na3HPO4.nH2O (n=0,12) |
| HS Code: | 28352910 |
| ANALYSIS STANDARD： | HG/T2517-93 |
| Packings | 25 Kg HDPE Bags (with inner poly bag.) |
| Shelf Life | Two years. |
| Storage | Keep under cover in a cool, dry place and stacking not exceeding 15 layers. |
| Chemical Properties | |
|---|---|
| Description | Specification |
| Na3PO4, 12H2O | 98 % Min. |
| P2O5 | 18% Min. |
| Moisture | 0.1% Max。 |
| Water Insolubles | 0.1 % Max. |
| Sulphite (as SO4 ) | 0.5% Max. |
| Chloride (as CI ) | 0.3 % Max. |
| Iron (as Fe) | 0.01 % Max. |
| Alkalinty of methyl orange (by Na2O)% | 16.0-19.0 |
| pH Value | 11 - 12 |
Note: The above data does not represent a Specification, but are indicative in nature only.