Calcium Acid Pyrophosphate (CAPP) — Food Grade
Product Introduction
Basic Information
· Molecular Formula: CaH₂P₂O₇
· CAS No.: 14866-19-4
· Standard Executed: GB 1886.3-2021
· Appearance: White crystalline powder, odorless and tasteless; sparingly soluble in water, soluble in dilute acids, stable at room temperature with low moisture absorption
· Packaging: 25kg/bag
Specification
| Item | Index |
|---|---|
| Assay (as Ca) | 95.0%~100.5% |
| Fluorides ≤0.005% | ≤0.005% |
| Chlorides ≤0.05% | ≤0.05% |
| Sulfates ≤0.2% | ≤0.2% |
| Heavy Metals (as Pb) ≤0.001% | ≤0.001% |
| Arsenic Salts ≤0.0003% | ≤0.0003% |
| Carbonates | To 1.0 g of sample add 2 mL of hydrochloric acid; no effervescence occurs |
| Insoluble in Hydrochloric Acid | Use 5.0 g of sample; residue is not more than 5 mg |
| Loss on Ignition | Ignite at 600℃ to constant weight; loss in weight is 11.0%~13.0% |
| Barium Salts | Use 0.50 g of sample; no turbidity occurs within 10 minutes |
Application
· 1. Baking Leavening Agent: Mainly used as slow-action leavening agent, mixed with sodium bicarbonate for cakes, biscuits, bread and frozen baked food. It releases gas steadily to make products fluffy and delicate.
· 2. Acidity Regulator and Buffer: Adjust food pH value, stabilize baking system, optimize fermentation environment and extend shelf life.
· 3. Nutritional Fortifier: Supplement calcium and phosphorus minerals, widely used in cereals, meal replacement powder and solid beverages for nutrition enhancement.
· 4. Meat Product Improver: Applied in meat products to improve water retention, elasticity and overall texture.

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