Table of Contents
1. Product Overview & Specifications
Sodium Phosphate Tribasic Dodecahydrate (CAS 10101-89-0)
| Parameter | Specification |
|---|---|
| Molecular Formula | Na3PO4·12H2O |
| Molecular Weight | 380.12 g/mol |
| Appearance | White crystalline powder |
| Assay (Dry Basis) | ≥98% |
| pH (1% Solution) | 11.5-12.5 |
| Solubility | Freely soluble in water |
2. Key Applications & Industries
Primary Industrial Uses
- Food Industry: pH regulator in dairy products
- Water Treatment: Corrosion inhibitor
- Pharmaceuticals: Buffer solution component
- Industrial Cleaning: Metal surface pretreatment
3. Technical Parameter Comparison
| Grade | Food Grade | Technical Grade | Pharma Grade |
|---|---|---|---|
| Heavy Metals | ≤10ppm | ≤50ppm | ≤2ppm |
| Loss on Drying | 55-65% | 55-65% | 55-65% |
| Certification | FDA 21 CFR | ISO 9001 | USP/EP |
4. Operational Guidelines
Handling Recommendations
- Storage: Keep in airtight containers at 15-30°C
- Mixing: Use deionized water for solution preparation
- Safety: Wear PPE when handling concentrated solutions
5. Industry Use Cases
Food Processing Application
Used as emulsifier in processed cheese manufacturing at 0.3-0.5% concentration to maintain texture stability during thermal processing.
6. Client Success Stories
Case Study 1: European Dairy Manufacturer
| Challenge | Protein precipitation in UHT milk |
|---|---|
| Solution | 0.4% sodium phosphate tribasic addition |
| Result | 40% reduction in product rejects |
Case Study 2: Asian Water Treatment Plant
| Challenge | Pipe corrosion at pH 6.8 |
|---|---|
| Solution | Dosing system with 150ppm concentration |
| Result | Corrosion rate reduced from 5mpy to 0.8mpy |
7. Procurement Guidance
Quality Verification Checklist
- Request COA with ICP-MS heavy metal analysis
- Verify GMP compliance for food/pharma applications
- Confirm batch-to-batch consistency guarantees
Contact Technical Experts
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