Nantong Feiyu Food-tech Co., Ltd. (Former: Nantong Feiyu Fine Chemical Co., Ltd.)
Calcium Carbonate
Calcium Carbonate can be used as a food additive (Calcium Carbonate DC) and pharmaceutical, the high purity Calcium Carbonate is used for electronics and specialized plant nutrient.
Chemical Data
Chemical Formula CaCO3
CAS NO 471-34-1
Molecular Weight 100.1
Use Pharmaceuticals, food additive, electronics and specialized plant nutrient
Description Fine white powder, clean odorless
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
Pharmaceutical Powder
Food Additive Granule
High Purity 
Electronics Powder
Test A To Pass Test To Pass Test To Pass Test
Test B To Pass Test To Pass Test To Pass Test
Acid Insoluble 0.2% max --- ---
LOD 1.0% max 2.0% max ---
Barium No green flam 0.03% max ---
Lead 0.0003% max 0.00005% max 0.0002% max
Mercury 0.00005% max --- 0.00003% max
Heavy Metal 0.002% max 0.002% max 0.002% max
Arsenic 0.0002% max 0.00005% max 0.0002% max
Fluoride 0.003% max --- 0.005% max
Sulfates --- --- 0.25% max
Chlorides --- --- 0.02% max
Clarity Test --- --- To Pass Test
Mg and Alkali Salts  --- --- 1.0% max
Caco3 Content
(Dry Basis)
98.0-100.5% 87.0-98.0% 99.5%
Calcium Content --- 35.0-39.0% ---
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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