Zinc Citrate(Food grade, pharmaceutical grade, reagent grade)


Feiyu Food Science and Technology is specialized in the production and sales of pharmaceutical grade, food grade citrate, malate, and gluconate. Now, it is the enterprise with the most complete variety of citrate products in China, and its products meet the quality standards of CP, USP, BP and other pharmacopoeias. Feiyu has participated in the drafting of national standards for citrate products for many times, and has nearly 40 patents for independent research and development, and more than 10 provincial-level high-tech products, The product has won the third prize of Nantong Science and Technology Progress Award for many times.

Feiyu Food Technology

key word:

Food grade citrate | malate | gluconate

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Zinc Citrate(Food grade, pharmaceutical grade, reagent grade)

Zinc Citrate
Zinc Citrate can be used as a dietary supplement and as a nutrient. This product known to be used in oral care products. Zinc is an important antioxidant nutrient. It is necessary for protein synthesis, wound healing, for blood stability, normal tissue function, and aids in the digestion and metabolism of phosphorus. It also governs the contractility of muscles and maintains the body’s alkaline balance.
Chemical Data
Chemical Formula Zn3(C6H5O7)2·2H2O Zn3(C6H5O7)2·3H2O
CAS NO 546-46-3
Molecular Weight 610.36
Use Nutrient; Dietary Supplement; Pharmaceuticals
Description Fine, white powder/ granular
Containers 25 kg / 50 lb. box/bag/drums; 500 kilogram bag
Storage Store in a clean, dry warehouse in the original unopened containers.
Chemical Specifications
Test A Positive Positive Positive
Test B Positive Positive Positive
Assay of dried product (as Zn) 31.3 - 32.5 % 31.3% min 30.9 - 31.5%
Arsenic (as As) 3 ppm max 3 ppm max 3 ppm max
Cadmium (Cd) 5 ppm max 5 ppm max 5 ppm max
Lead (as Pb) 5 ppm max 10 ppm max 10 ppm max
LOD @ 105°C 1.0% max 1.0% max 1.0% max
Sulfate (as SO4) 0.05% max 0.05% max ---
Chloride (as Cl) 0.05% max 0.05% max ---
Lead 5 ppm max --- ---
Zinc Content --- --- ---
Anhydrous Basis 33.3% min 33.3 % min 33.9 - 34.5 %
As Is 31.0% min 31.0 % min ---
Mercury  --- 0.10 ppm max ---
PH 3% suspension --- --- 5.0 - 7.0
ROI @ 500°C --- --- 38.4 - 39.2%
Bulk density According to Customer Requirements
Particle Size According to Customer Requirements
Microbial limits

Total Plate Count NMT 1000cfu/g E. Coli Negative

Total Molds And Yeasts NMT 300cfu/g Salmonella Negative

Total Coliform Count NMT 10cfu/g Staphylococcus Aureus Negative         


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