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Chemical reagent
Magnesium carbonate

Product name

Magnesium carbonate

Specification

Reagent grade

Molecular formula

MgCO3

CAS

39409-82-0

H.S. CODE

2836991000

Molecular weight

226.95

Appearance

White powder

Package

25KG Woven bags or fiber drums

Property

     White powder. Odourless and tasteless. Dew buy air. There is no change, a proportion of 2.710. Melting point 1339 &; ordm C. Almost insoluble in water in contain or ammonium trioxide iron water dissolves, insoluble in alcohol. Encounter dilute acetic acid, rare hydrochloric acid, nitric acid happen bubble boiling, thin and dissolve. Heating is decomposed into CaO (CaO) and carbon dioxide (CO2).

Application:

    According to the different crushing fineness, industry is divided into four different specifications: solo, sf, three fly, fly, respectively applied for every four industry.

Test standardEnterprise Standard

Test items

Specification

AR grade

CP grade

Appearance

White powder

White powder

Assay

40.0~44.5%

40.0~44.5%

HCL insoluble

0.025%

0.025%

Chloride

0.010%

0.010%

Nitrate

0.005%

0.005%

Phosphate

0.001%

0.001%

Sulfur compounds

0.02%

0.02%

Barium

0.01%

0.01%

Calcium

0.15%

0.15%

Iron

0.005%

0.005%

Zinc

0.01%

0.01%

Heavy metals (As Pb)

0.002%

0.002%

Water insoluble

0.4%

0.4%

Carbonate

Conform

Conform

Storage

    Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.


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