Calcium hydrogenphosphate dihydrate

other name:Dibasic calcium phosphate dihydrate,Dicalciumphosphate dihydrate,Calcium hydrogen phosphatedihydrate,hosphoricacid,calcium salt (1:1)
Chemical formula:CaHPO₄·2H₂O (dihydrated calcium hydrogen phosphate); the anhydrous form is CaHPO₄.
Molecular weight: 172.14 (dihydrate)
CAS number: 7789-77-7 (dihydrate); 7757-93-9 (anhydrous)
Properties: white or off-white crystalline powder, odorless and tasteless, slightly soluble in water, easily soluble in dilute acid (such as hydrochloric acid, nitric acid), insoluble in ethanol

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Functions How to use package

Application fields

1. Medicine and health
- Calcium supplementation: prevention and treatment of calcium deficiency such as osteoporosis, tetany, and bone dysplasia, suitable for pregnant women, lactating women and the elderly.
- Pharmaceutical preparations: used as sustained-release agents or fillers for tablets and capsules.
- Contraindications: prohibited for patients with hypercalcemia and kidney stones; avoid use with digitalis and tetracycline drugs.

2. Food industry
- Nutritional fortification: added to infant formula, dairy products, and cereals to supplement calcium and phosphorus.
- Functional additives:
- Leavening agent (biscuits, bread);
- Stabilizer (dairy products to prevent whey separation);
- Acidity regulator (beverages, jams).

3. Feed industry
- Supplement the calcium and phosphorus needs of poultry and livestock, promote bone development, increase meat and egg production, and prevent and treat rickets and white diarrhea.
- The recommended calcium-phosphorus ratio in feed is 1:1-2:1, and calcium hydrogen phosphate is an ideal choice.

4. Industrial use
- Electroplating: Improve the hardness and wear resistance of the coating.
- Ceramics and papermaking: As a glaze raw material or paper coating, it enhances gloss and strength.
- Daily chemical products: toothpaste abrasive, shampoo thickener.

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Safety and Storage

1. Toxicity and Side Effects - Low toxicity, excessive intake may cause nausea, vomiting, and abdominal pain; ADI (acceptable daily intake) is 10 mg/kg body weight. - Long-term excessive use may cause hypercalcemia or kidney stones.

2. Storage Requirements - Sealed and light-proof, stored in a dry place at room temperature; industrial grade products need to be moisture-proof and avoid contact with oxides.

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