Calcium gluconate CAS 299-28-5 is an organic calcium salt with the chemical formula C12H22O14Ca. It appears as a white crystalline or granular powder, with a melting point of 201 ℃ (decomposition), odorless and tasteless. It is easily soluble in boiling water (20g/100mL), slightly soluble in cold water (3g/100mL, 20 ℃), and insoluble in organic solvents such as ethanol or ether. The aqueous solution appears neutral (pH approximately 6-7). Calcium gluconate is mainly used as a calcium fortifier and nutrient in food, as a buffer, solidifying agent, and chelating agent.

Chinese name: Calcium gluconate

Foreign name: Calcium Gluconate

Chemical formula: C12H22O14Ca

Molecular weight: 430.37

CAS login number: 299-28-5

EINECS login number: 206-075-8

Melting point: 195 ℃

Boiling point: 673.6 ℃

Water solubility: easily soluble in boiling water

Appearance: White crystalline powder, odorless and tasteless

Flash point: 375.2 ℃

Application: Used as a calcium fortifier, buffer, curing agent, and chelating agent.

Physical and chemical properties

Appearance: White crystalline powder.

Melting point: 195 ℃

Boiling point: 673.6 ℃

Flash point: 375.2 ℃

Solubility: Easily soluble in boiling water, slowly soluble in water, insoluble in anhydrous ethanol, ether, or chloroform.

Application area

To make tofu pudding, calcium gluconate powder is added into soybean milk. soybean milk will become semi liquid and semi solid tofu pudding, sometimes called hot tofu.

As a drug, it can reduce capillary permeability, increase density, maintain normal excitability of nerves and muscles, enhance myocardial contractility, and aid in bone formation. Suitable for allergic diseases such as urticaria; Eczema; Skin Pruritus; Contact dermatitis and serum diseases; Vasoneural edema as an auxiliary treatment. It is also suitable for convulsions and magnesium poisoning caused by hypocalcemia. It is also used to prevent and treat calcium deficiency, etc. As a food additive, used as a buffer; Curing agent; Chelating agent; Nutritional supplements. According to the “Hygienic Standards for the Use of Nutritional Fortifiers in Food” (1993) issued by the Ministry of Health of China, it can be used in cereals and their products, beverages, with a dosage of 18-38 grams per kilogram.

Used as a calcium fortifier, buffer, curing agent, and chelating agent.

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