Na3PO4·12H2O, CAS No. 10101-89-0. Industrial-grade white or light-yellow crystals. Current Tairan TDS/COA prevails.
Description
Trisodium phosphate dodecahydrate is also known as sodium phosphate tribasic dodecahydrate.
| Product name | Trisodium Phosphate Dodecahydrate (TSP) |
|---|---|
| Formula | Na3PO4·12H2O |
| Molecular weight | 380.12 |
| CAS No. | 10101-89-0 |
| EINECS No. | 231-509-8 |
| HS Code | 28352910 |
| Appearance | White or light-yellow crystals |
| Density | 1.62 g/cm³ |
| Melting point | 73.3–76.7°C |
| Solubility | Soluble in water |
| Standard / Grade | HG/T 2517-2009, Industrial Grade I |
| Item | Specification |
|---|---|
| Na3PO4·12H2O | ≥98.5% |
| Methyl-orange alkalinity (as Na2O) | 16.5–19.0% |
| Water-insoluble matter | ≤0.05% |
| Sulfate | ≤0.50% |
| Chloride | ≤0.30% |
| pH (10 g/L aqueous solution) | 11.5–12.5 |
| Iron | ≤0.01% |
| Arsenic | ≤0.005% |
| Packaging | 25 kg bags |
|---|---|
| Shelf life | 2 years |
| Storage | Store in a dry, ventilated place and protect from moisture. |
Note: The information above is transcribed from the 2023 Tairan product brochure. It is not a batch COA. The current Tairan TDS/COA for the exact grade and lot prevails.
