
Trisodium Phosphate anhydrous
Trisodium phosphate anhydrous is an alkaline agent used for cleaning, pH control, and water treatment.
- Detergents
- Water Treatment


Trisodium Phosphate Crystalline (Na₃PO₄, CAS 7601-54-9) is a white crystalline inorganic phosphate compound with excellent water solubility and strong alkaline properties. It is widely used as a cleaning and degreasing agent, effectively removing oils, grease, and heavy deposits from industrial equipment and surfaces. The compound also serves as a pH regulator and water softening agent in water treatment and chemical processing applications. Valued for its high purity, cleaning efficiency, and formulation versatility, Trisodium Phosphate Crystalline delivers reliable performance across industrial cleaning, water treatment, and manufacturing sectors.
| Property | Specification |
|---|---|
| Product Name | Trisodium Phosphate Crystalline |
| CAS No | 10101-89-0 |
| Chemical Name/Synonyms | TSP Crystalline; Trisodium Orthophosphate Dodecahydrate; Na3PO4·12H2O |
| Chemical Formula | Na₃PO₄·12H₂O |
| Appearance (Color) | White crystalline solid |
| Molecular Weight | 380.12 g/mol |
| HS Code | 2835.29 |
| TSCA Inventory | Active (listed under anhydrous CAS 7601-54-9) |
More identifiers
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| Property | Typical Classification |
|---|---|
| GHS Signal Word | Warning |
| GHS Pictograms | Exclamation mark (GHS07) |
| UN Number | Not regulated as dangerous goods |
| Flash Point | Not applicable |
Typical U.S. classification for this product: label elements under OSHA’s Hazard Communication Standard (29 CFR 1910.1200) and transport under U.S. DOT (49 CFR 172.101), compiled from manufacturers’ safety data sheets and harmonised GHS classifications, checked October 2026. Environmental hazards are shown for information; the OSHA label does not cover them. Classification can differ by supplier, grade and concentration: the supplier’s U.S.-format SDS, sent with your quote, is the governing document.
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