Nantong Feiyu Food-tech Co., Ltd. (Former: Nantong Feiyu Fine Chemical Co., Ltd.)
PRODUCTS
Magnesium Carbonate
Magnesium Carbonate can be used as a food additive and pharmaceutical.
Chemical Data
Chemical Formula MgCO3·H2O
CAS NO 13717-00-5
Molecular Weight 84
Use Alkalizers, 
Drying Agent,
Colour Fixatives, 
Anticaking Agent, 
Bulking Agents, 
Acidity Regulators
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
  USP/FCC Powder
Code50201
Assay (as MgO) 40.0-43.5%
Acid Insoluble 0.05% max
Calcium Oxide 0.6% max
Heavy Metal(as Pb) 0.002% max
Lead 0.001% max
Soluble salt 0.2% max
Ignition Loss 53.0-56.0%
Soluble Matter In Water 1.3% max
Insoluble Matter In HCl 0.10% max
Ferric Oxide And Alumina 0.10% mac
Bulk density (Loose) 0.19-0.25g/cc
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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