Ferrous Citrate、Ferric 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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Ferrous Citrate、Ferric Citrate(Food grade, pharmaceutical grade, reagent grade)

Ferrous Citrate、Ferric Citrate
Ferrous Citrate and Ferric Citrate can be used as a dietary supplement and as a nutrient. 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 FeC6H6O7 Fe(C6H5O7)·xH2O
CAS NO 2338-05-8 3522-50-7
Molecular Weight 245.95 244.95 (anhydrous)
Use Nutrient; Dietary Supplement; Pharmaceuticals
Description Fine, gray-green granules Orange to brown powder
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
To Pass Test
Iron To Pass Test  
Orange - brown powder
F3+ Content (as is basis)
16.5 - 20.0%
27.0% max
Fe2+ Content   5.0% max
2 ppm max
Assay (Ferrous Iron)
20.0 - 22.0%
pH 1% solution @ 20° C
3.0 - 4.0
2% max
Solubility @ 20° C
0.5 g/l
Solubility @ 6° C
0.5 g/l
Mesh Test thru 80 (180 μm)
95% min
Mesh Test thru 40 (400 μm)
100% min
Bulk density (Loose)
500 - 700 g/l
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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