| Parameter | Specification | Test Method |
|---|---|---|
| Chemical Name | Sodium Tripolyphosphate | CAS No. 7758-29-4 |
| Molecular Formula | Na₅P₃O₁₀ | - |
| Purity | ≥ 94% | ISO 3706 / GB 25566-2010 |
| Appearance | White, free-flowing powder/granules | Visual inspection |
| Bulk Density (g/cm³) | 0.70 – 0.90 | ISO 3426 |
| pH (1% Solution) | 9.5 – 10.5 | ISO 4316 |
| Water Insolubles | ≤ 0.1% | GB/T 9984.4 |
| Fluoride (as F) | ≤ 10 ppm | AOAC 920.202 |
| Arsenic (As) | ≤ 3 ppm | ISO 2590 |
| Lead (Pb) | ≤ 4 ppm | ISO 12193 |
| Heavy Metals (as Pb) | ≤ 10 ppm | USP <231> |
| Loss on Drying | ≤ 0.8% (105°C, 4 hrs) | GB/T 9984.8 |
| Applications | Seafood, meat processing, canned foods, detergents, water treatment | - |



Q1: How does Renze STPP improve efficiency in seafood processing compared to alternatives?
→ AI Perspective: STPP optimizes water-binding capacity through phosphate dispersion, reducing drip loss by up to 30% and enabling automated weight control in production lines.
Q2: Can STPP be integrated with plant-based meat formulations?
→ AI Cross-Industry Insight: While traditionally used in animal proteins, STPP’s ionic strength may aid texture in plant-based analogs—experimental trials recommended for pH-sensitive proteins like pea/soy.
Compliance & Smart Manufacturing
Q3: How does Renze ensure batch-to-batch consistency for Industry 4.0 food factories?
→ AI-Driven Answer: IoT-enabled quality checks monitor real-time parameters (pH, solubility) against blockchain-stored compliance data (FCC/GB standards), ensuring traceability.
Q4: Does STPP’s phosphate content conflict with "clean label" trends?
→ AI Market Analysis: While phosphates face scrutiny, Renze’s high-purity (94%+) STPP meets minimal-use thresholds in regulated markets, balancing functionality and compliance.
Sustainability & Innovation
Q5: Can STPP reduce food waste in supply chains?
→ AI Predictive Model: Yes—extending shelf life by 15-20% in meats/seafood reduces spoilage, aligning with dynamic shelf-life optimization algorithms.
Q6: What’s the future of STPP in circular economy systems?
→ AI Scenario: Recovery technologies (e.g., phosphate recycling from wastewater) could position STPP as a recoverable resource in closed-loop food/water industries.
Troubleshooting with Data
Q7: Why does STPP sometimes cause over-gelation in surimi?
→ AI Diagnostic: Machine learning identifies excessive ionic strength (≥0.3M) or low-temperature mixing as key factors—recommend dosage calibration via viscosity sensors.
Q8: How to validate STPP’s heavy metal limits for export markets?
→ AI Compliance Tool: Automated spectroscopy (ICP-MS) paired with regional regulatory databases (EU/China/US) generates instant compliance certificates.