Nantong Feiyu Food-tech Co., Ltd. (Former: Nantong Feiyu Fine Chemical Co., Ltd.)
Ammonium Citrate、Ammonium Citrate Dibasic
Ammonium Citrate、Ammonium Citrate Dibasic can be used in Petrochemical Industry, Electronics Industry, Complexing Agent, etc
Chemical Data
Chemical Formula (NH4)3C6H5O7 (NH4)2HC6H5O7
CAS NO 7632-50-0 3012-65-5
Molecular Weight 243.22 226.19
Use Nutrient; Dietary Supplement; Pharmaceuticals
Description Colorless crystals or crystalline 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
USP Powder
Transparency To Pass Test ---
Water 11.0-13.0% ---
Heavy Metals (Pb) 10 ppm max 5 ppm max
Assay 99.0-101.0% 98.0 - 103.0%
Acidity or alkalinity 0.20 ---
Chloride 50 ppm max 0.001 % max
Readily carbonisable substances To Pass Test ---
Oxalate 300 ppm max To Pass Test
Sulfate 150 ppm max 0.005 % max
Odor --- Slightly ammoniacal
Ignition residue (as sulfate) --- 0.5% max
Insoluble Matter  --- 0.005 % max
Residue after Ignition  --- 0.01 % max
PH of 5% Solution at 25°C --- 4.5 - 5.5
Iron (Fe)  --- 0.001 % max
Phosphate (PO4)  --- 5 ppm max
Bulk density (Loose) 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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