Industrial Grade Content ≥98% Trisodium Phosphate For Water Treatment
| Attribute | Value |
|---|---|
| CAS | 15475-67-9 |
| EINECS | 231-509-8 |
| Appearance | White crystal |
| Crystalline Hydrate | 12 Crystal water |
| Dissolubility | Water soluble |
| PH | 11~12 |
| Chemical Formula | Na3PO4·12H2O |
Industrial grade Trisodium phosphate 98% white crystal for chemical materials.
CAS: 10101-89-0 | Purity: 98.5% Na3O4P·12H2O
Molecular formula: Na3PO4·12H2O
Molecular weight: 380.12
- Colorless acicular hexagonal crystal system
- Soluble in water, insoluble in organic solvents
- Relative density 1.62 (20°C)
- Melting point 73.3-76.7°C (decomposition)
- When weathered in dry air, loses 12 crystalline waters at 100°C to form anhydrous substance (Na3PO4)
- Aqueous solution is alkaline and has a certain corrosive effect on the skin
- Water softener in metallurgy, chemical industry, textile, printing and dyeing, paper making, mechanical and electrical industries
- Boiler tube cleaning agent and detergent
- Metal rust prevention agent
- Fuel intermediate desiccant
- Sugar juice purification agent
- Photographic developer
- Fabric mercerizing enhancer
- Rubber milk coagulant
- Dental binder
- Pharmaceutical preparations
- Industrial grade (12 crystal water) TSP - CAS 10101-89-0, 98% Na3O4P·12H2O
- Industrial grade (anhydrous) TSP - CAS 7601-54-9, 98% Na3O4P
- TSP - CAS 7601-54-9, 97% Na3O4P
Industrial grade products & COA meets HG/T 2517-2009 standard:
| Items for detecting and analyzing | Standard value % |
|---|---|
| Main content: trisodium phosphate ≥ | 98 |
| Sulphate (as SO4) ≤ | 0.50 |
| Chlorine (as Cl) ≤ | 0.30 |
| Water insoluble ≤ | 0.05 |
| Methyl orange alkalinity (Na2) | 16.5-19.0 |
| Iron (Fe) ≤ | 0.01 |
| Arsenic (as As) ≤ | 0.005 |
Industrial grade (anhydrous) & grade products & COA meets GB 25565-2010 standard:
| Analysis | Test Method | Standard request |
|---|---|---|
| TSP content % | GB 25565-2010 | ≥97 |
| Water insoluble % | GB 25565-2010 | ≤0.2 |
| pH value (10g/mL) | GB 25565-2010 | 11.5-12.5 |
| Fluoride (as F) ppm | GB 25565-2010 | <50 |
| Arsenic (as As) ppm | GB 25565-2010 | <3 |
| Heavy Metal (as Pb) ppm | GB 25565-2010 | <10 |
| Lead ppm | GB 25565-2010 | <4 |
| Loss on drying % | GB 25565-2010 | <2 |
| P2O5 % | GB 25565-2010 | ≥43 |
Function: After dissolving in water, becomes strongly alkaline (pH≈12), which can neutralize acidic wastewater and stabilize the pH of the system.
Application:
- pH adjustment of boiler water and circulating cooling water to prevent acidic corrosion
- Balancing pH in electroplating/printing and dyeing wastewater treatment
Function: Reacts with Ca²⁺ and Mg²⁺ in water to form calcium phosphate/magnesium precipitates, preventing scaling.
Application:
- Pre-treatment of boiler water to reduce the deposition of hard scale in heat exchangers and pipes
- Used in combination with other scale inhibitors (such as sodium hexametaphosphate) to enhance the effect
Function:
- Disperse colloidal particles to prevent dirt agglomeration (similar to anhydrous trisodium phosphate)
- Chelate heavy metals such as Fe³⁺ and Cu²⁺ to reduce equipment corrosion
Application: Industrial circulating water systems, pretreatment of reverse osmosis (RO) membranes.
Function: Can decompose grease and organic matter in an alkaline environment and is often used as a component of cleaning agents.
Application:
- Chemical cleaning of boilers and heat exchangers
- Oil stain removal from industrial equipment (requires the use of surfactants)
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