Zinc Gluconate

Zinc gluconate is a compound consisting of two moles of gluconate for each mole of zinc. Zinc gluconate is a popular form for the delivery of zinc as a dietary supplement. It has been used in lozenges for treating the common cold.

Zinc Gluconate USP Grade Specifications

C12H22O14Zn --- 455.68
Bis(D-gluconato-O1,O2) zinc.
Zinc D-gluconate (1:2) CAS 4468-02-4

Zinc Gluconate contains not less than 97.0 percent and not more than 102.0 percent of C12H22O14Zn, calculated on the anhydrous basis.

Identification:
A: A solution (1 in 10) responds to the tests for Zinc.
B: Chromatographic plate test.
pH: between 5.5 and 7.5, in a solution (1 in 100).
Water: not more than 11.6%.
Chloride: A 1.0-g portion shows no more chloride than corresponds to 0.70 mL of 0.020 N hydrochloric acid (0.05%).
Sulfate: A 2.0-g portion shows no more sulfate than corresponds to 1.0 mL of 0.020 N sulfuric acid (0.05%).
Arsenic: the limit is 3 ppm.
Reducing substances: the limit is 1.0%.
Limit of cadmium: the limit is 5 ppm.
Limit of lead: To pass the test (0.001%).

Zinc Gluconate FCC Food Grade Specifications

C12H22O14Zn Formula weight 455.68
CAS 4468-02-4

DESCRIPTION
Zinc Gluconate occurs as a white or nearly white, granular or crystalline powder and as a mixture of various states of hydration, up to the trihydrate, depending on the method of isolation. It is freely soluble in water and very slightly soluble in alcohol.
Function: Nutrient.

REQUIREMENTS
Identification:
A. A 1:10 aqueous solution gives positive tests for Zinc.
B: Chromatographic plate test.
Assay: Not less than 97.0% and not more than 102.0% of C12H22O14Zn, calculated on the anhydrous basis.
Cadmium: Not more than 2 mg/kg.
Chloride: Not more than 0.05%.
Lead: Not more than 2 mg/kg.
Reducing Substances: Not more than 1.0%.
Sulfate: Not more than 0.05%.
Water: Not more than 11.6%.

We also manufacture and supply Encapsulated Coated Zinc Gluconate.

Certifications :
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