CAS 7758-29-4 Chemical Materials Sodium Tripolyphosphate Na5P3O10 for Electric Station
| Attribute | Value |
|---|---|
| CAS | 7758-29-4 |
| EINECS | 231-838-7 |
| Appearance | White particles |
| Crystalline hydrate | Water-free |
| Life span | Two years |
| Available ports | Qingdao, Tianjin, Shanghai, Lianyungang, Fujian, Guangzhou |
| Fusing point | 622℃ |
| Hazard class code | R36/37/38 |
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial grade CAS 7758-29-4
Meets GB/T 9983-2004 standard
| Test Item | Standard Value |
|---|---|
| Main content (sodium tripolyphosphate) ≥ | 96.0% |
| Phosphorus pentoxide (P2O5) ≤ | 57.0% |
| Water insoluble ≤ | 0.10% |
| Iron ≤ | 0.007% |
| pH Value (1%) | 9.2-10.0 |
| Whiteness ≥ | 90 |
- Chemical Formula: Na₅P₃O₁₀
- Molecular Weight: 367.86 g/mol
- Appearance: White crystalline or powdery solid
- Form: Typically exists as an anhydrous compound or hexahydrate
- Water Solubility: Highly soluble (14 g/100 mL at 20°C, 30 g/100 mL at 60°C)
- pH (1% solution): 9.5-10.5 (alkaline)
- Decomposition Temperature: 622°C (forms sodium pyrophosphate and metaphosphate)
- Hygroscopicity: Strong - easily absorbs moisture from air
- Key Property: Strong chelating ability for metal ions (Ca, Mg, Fe)
- Detergent Industry: Growing demand with urbanization and economic growth
- Processing: Increasing application in meat and sea processing
- Water Treatment: Broad prospects due to water resource challenges
- Economic Factors: Industrial growth driving demand for industrial cleaners
- Environmental Regulations: Potential phosphorus restrictions may impact detergent use
- Technology: Production improvements reducing costs and environmental impact
- Hotel & Catering: Detergent component for linens, tableware, and surfaces
- Water Treatment: Pool and spa maintenance to prevent scale
- Facility Maintenance: Cleaning solutions for public areas and equipment
- Safety: Preservative in catering services to extend shelf life
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