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Calcium phosphate

Calcium phosphate

Basic Information

CAS No.: 7758-87-4
Molecular Formula: Ca3(PO4)2
Molecular Weight: 310.18

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Product Details

Calcium phosphate is an inorganic compound with the chemical formula Ca3(PO4)2. It appears as white crystals or an amorphous powder; it is sparingly soluble in water, readily soluble in dilute hydrochloric and nitric acids, and insoluble in ethanol, acetone, and diethyl ether. It is commonly used as an anti-caking agent, acidity regulator, nutritional supplement (calcium fortifier), flavoring agent, stabilizer, and moisture-retaining agent, and is used in medicine as an antacid.


Chemical Properties
PropertyValue

Melting point

1100 °C(lit.)

Density

1.038 g/mL at 25 °C

Storage temp.

2-8°C

Solubility

Soluble in 1 M Hydrochloric acid.

Form

aqueous suspension

Color

White

PH

4-6

Water Solubility

Partially soluble in water.

Merck

1694

CAS DataBase Reference

775887-4(CAS -DataBase Reference)

EPA Substance Registry System

Calcium hydroxide phosphate (7758-87-4)


Safety Information

PropertyValue

Hazard Codes

Xi

Risk Statements

36/37/38

Safety Statements

26-36-24/25-22

WGK Germany

3

TSCA

Yes

HS Code

2835260000



Product Usage

Calcium Phosphate is a vital multifunctional material widely utilized across life sciences and industrial sectors. In the food and beverage industry, it serves as an acidity regulator, moisture-retention agent, and nutritional supplement, fortifying dairy products and cereals with essential calcium and phosphorus. Within the medical and dental fields, its exceptional biocompatibility makes it a core component for synthetic bone grafts, dental filling materials, and toothpaste abrasives, effectively promoting bone repair and enamel remineralization. In agriculture, it is a key raw material for high-efficiency phosphatic fertilizers, crucial for crop root development. Additionally, it is used as a stabilizer and flame-retardant synergist in the plastics and coatings industries to enhance material safety performance.

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