Code: 22020020
CAS Number: 546-93-0; 39409-82-0; 23389-33-5
Molecular weight: 84.31; 485.65; 102.33;
Molecular formula: MgCO3; 4MgCO3·Mg (OH) 2·5H2O; MgCO3·5H2O
EINECS: 208-915-9
Magnesium carbonate
Product Description
General Characteristics:
Formula: MgCO3; 4MgCO3·Mg (OH) 2·5H2O; MgCO3·5H2O
Appearance: White powder
Molecular weight: 84.31; 485.65; 102.33;
Odor: Odorless
CAS Number: 546-93-0; 39409-82-0; 23389-33-5
EINECS No.: 208-915-9
INS: 504(i)
Solubility: It is practically insoluble in water,to which, however, it imparts a slightly alkaline reaction. It is insoluble in alcohol, but dissolves, with effervescence, in dilute acids.
Uses:
· PH regulator agent
· Drying agent
· Color-retention agent
· Anti-caking agent
Packing and Storage:
· 25kg/net paper bag and PE bags sealed inside.
· Store in a well-closed bag at room temperature, protect from light, moisture and pest infestation.
· Shelf life---two years
Microbiological Specification:
Total viable count 100CFU/gr.max
Yeast&Molds 100CFU/gr.max
E.Coli Absent in 1gr.
Salmonella Absent in 25gr.
GMO-Status:
The product is a non GMO product and is free from any recombinant DNA
Irradiation/Radioactivity:
Magnesium carbonate was never subjected to any kind of ionized irradiation and contains no radioactivity not even in minor amounts.
Specifications(FCC/E504(i)/USP/EP):
Test Parameter |
FCC |
E504(i) |
USP |
Ph.Eur |
MgO(dry basis) |
40.0%-43.5% |
|
40.0%-43.5% |
40.0%-45.0% |
Mg |
/ |
24.0%~26.4% |
|
|
Identification |
Positive |
|
Positive |
|
Test for magnesium |
/ |
Passes test |
|
|
Test for carbonate |
/ |
Passes test |
|
|
Acid insolubles matter |
≤0.05% |
≤0.05% |
≤0.05% |
≤0.05% |
Soluble substances |
≤1.0% |
≤1.0% |
≤1.0% |
≤1.0% |
Calcium oxide |
≤0.6% |
|
|
|
Calcium |
|
≤0.4% |
≤0.45% |
≤0.75% |
Chloride |
|
|
|
≤0.07% |
Sulphate |
|
|
|
≤0.3% |
Iron |
|
|
≤0.02% |
≤0.04% |
重金属 |
|
|
≤0.03% |
|
Arsenic |
≤2.0ppm |
≤4.0ppm |
≤4.0ppm |
≤2.0ppm |
Lead |
|
≤2.0ppm |
|
|
Cadmium |
|
|
|
|
Mercury |
|
≤1.0ppm |
|
|
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