Ferrous Gluconate


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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Ferrous Gluconate

Ferrous Gluconate
Ferrous Gluconate can be used as a dietary supplement and as a nutrient. This product is known to be used for pharmaceutical applications. Iron has a vital function in combining with protein and copper to make hemoglobin. Iron also prevents fatigue and promotes good skin tone.
Chemical Data
Chemical Formula Fe(C6H11O7)2·2H2O
CAS NO 299-29-6
Molecular Weight 482.17
Use Nutrient; Dietary Supplement
Description Pale greenish, yellow, fine powder, coarse granular to powder mix
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
  FCC Powder
FCC Granular
USP Powder
USP Granular
EP Powder
Test A 
Test B

To Pass Test
To Pass Test

To Pass Test
To Pass Test

To Pass Test
To Pass Test
Assay (dry basis) 97.0-102.0% 97.0-102.0% ---
Arsenic (as As) --- 3 ppm max 2 ppm max
Chloride 0.07% max 0.07% maxi 0.06% max
Ferric Iron 2.0% max 2.0% max 1.0% max
Lead 2 ppm max 10 ppm max ---
Loss on Drying 6.5-10% 6.5-10% ---
Mercury 3 ppm max 3 ppm max ---
Oxalic Acid To Pass test To Pass test To Pass Test
Reducing Sugars To Pass test To Pass test To Pass Test
Sulfate 0.1% max 0.1% max 500 ppm max
OVI --- Conforms ---
Heavy Metals --- --- 20 ppm max
Loss on Drying --- --- 5.0-10.5%
pH (10% solution) --- --- 4.0-5.5
Iron Content 
Anhydrous Basis 
Dihydrate Basis 
As - Is
12.1 – 12.8%
10.9 – 11.9%
10.9 – 11.9%
12.1 – 12.8%
10.9 – 11.9%
10.9 – 11.9%
Appearance of Solution --- --- Clear/Not Turbid
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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