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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

详情介绍

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.

 SpecificationsFCC/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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