Monocalcium Phosphate
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Monocalcium Phosphate (MCP)
Calcium monophosphate; Calcium diphosphate; Acidic calcium phosphate
Calcium phosphate Calcium dihydrogen phosphate
Legal Number: CAS [7758-23-8] (anhydrous form), [10031-30-8] (monohydrate form)
Molecular formula: Anhydrous calcium dihydrogen phosphate: Ca(H2PO4)2; Monohydrate calcium dihydrogen phosphate: Ca(H2PO4)2·H2O;
Relative molecular mass: Anhydrous calcium dihydrogen phosphate: 234.05; Monohydrate calcium dihydrogen phosphate: 252.07
Properties: Calcium dihydrogen phosphate is colorless or white triclinic crystals or powder. It dissolves in dilute hydrochloric acid, dilute nitric acid and dilute acetic acid, is hygroscopic, slightly soluble in water, and its aqueous solution is acidic. It is almost insoluble in ethanol.
Specification:
| Item | Specification |
|---|---|
| Dicalcium Phosphate (as Ca, %) | |
| – Anhydrous type | 16.8 – 18.3 |
| – Monohydrate type | 15.9 – 17.7 |
| Heavy metals (as Pb, mg/kg) ≤ | 10 |
| Lead (Pb, mg/kg) ≤ | 2 |
| Arsenic (As, mg/kg) ≤ | 3 |
| Fluoride (as F, mg/kg) ≤ | 25 |
| Loss on ignition (1 w%) ≤ | 14.0 – 15.5 |
| Drying loss (2 w%) ≤ | 1.0 |
| Clarity | Pass test |
| Carbonates | Pass test |
| Free phosphoric acid and its salts | Pass test |
Product uses:
Water retention agent; Buffering agent; Dough conditioner; Hardening agent; Leavening agent; Nutritional supplement; Yeast food; Chelating agent; Antioxidant enhancer; Texture improver.
Dosage:
For bread, biscuits, and baking powder, the dosage is 4.0g/kg (calculated as phosphoric acid); for solid beverages, it is 8.0g/kg; for wheat flour, it can be used in appropriate amounts as needed for production; in feed, the addition rate is generally 1% to 2%.
Application fields:
Food, medicine, industrial manufacturing, tobacco products (anti-freezing and moisture-retaining agent), cosmetics, feed, etc.
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