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| CAS No.: | 7758-29-4 |
|---|---|
| Formula: | Na5o10p3 |
| EINECS: | 231-838-7 |
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Industrial grade STPP is widely used in detergents, ceramics, and water treatment due to its strong dispersing and chelating capacity.
Applications:
Detergents: Acts as a builder in synthetic detergents, improving cleaning efficiency.
Ceramics & Pigments: Used as a dispersant to stabilize suspensions.
Water Treatment: Prevents scale formation and improves water softening.
Textiles & Leather: Serves as a degreasing and buffering agent.
Food grade STPP is commonly used as a sequestrant, moisture-retaining agent, and quality improver.
Applications:
Meat & Seafood: Enhances water retention, prevents oxidation, and improves texture.
Dairy Products: Prevents protein precipitation and stabilizes cheese and milk drinks.
Canned & Frozen Foods: Maintains natural color, prevents syneresis, and extends shelf life.
Bakery & Noodles: Improves dough strength and elasticity, enhancing cooking stability.
| Testing Item | Citric Acid Anhydrous | Citric Acid Monohydrate |
| STPP content /% | ≥85 | 96.8 |
| P2O5 content /% | 56.0~58.0 | 57.8 |
| Water insoluble /% | ≤0.1 | 0.01 |
| PH ( 1%) | 9.5-10 | 9.8 |
| Whiteness /% | ≥85 | 94 |
| Fluoride ( F) /% | ≤0.005 | 0.0006 |
| Arsenic (AS)/% | ≤0.0003 | ≤0.00007 |
| Heavy Metal(Pb)/% | ≤0.0010 | ≤0.0003 |
| Stacking density(g/cm3) | 0.35-0.9 | 0.75 |
| Note: Special requirements of particle size should be negotiated by both suppliers and customers | ||
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