MAGNESIUM HYDROXIDE CARBONATE, HEAVY Chemical Properties

Melting point:

600°C(decomposition)

Density 

2.16 g/cm3 (20 °C)

storage temp. 

Store at +5°C to +30°C.

solubility 

water: insoluble at 20 °C

form 

solid

PH

10.5 (50g/l, H2O, 20°C) suspension

Water Solubility 

1000g/L at 20℃

Major Application

pharmaceutical
solid formulation

Cosmetics Ingredients Functions

BINDING
BUFFERING
VISCOSITY CONTROLLING
BULKING

InChI

1S/CH2O3.Mg.H2O/c2-1(3)4;;/h(H2,2,3,4);;1H2/q;+2;/p-3

InChIKey

OUHCLAKJJGMPSW-UHFFFAOYSA-K

SMILES

[Mg+2].[O-]C(=O)[O-].[O-H]

CAS DataBase Reference

12125-28-9(CAS DataBase Reference)

Safety Information

Safety Statements 

22-24/25

WGK Germany 

3

HS Code 

2836 99 11

Storage Class

13 - Non Combustible Solids

MSDS

• Language:English Provider:SigmaAldrich

MAGNESIUM HYDROXIDE CARBONATE, HEAVY Usage And Synthesis

Uses

Parteck^? Mg DC is mainly used in highly regulated pharmaceutical applications.

Application

Rubber & plastics industry:Reinforcing fillerTo give the highest transparency to natural rubberAntiblocking agent, Stabilizer in the automotive PVC plastisolsTo preserve a colored parts in rubber productsFireproofing and heat insulating in manufacture of plasticsForming adjuster for foamed EVAPaper, ink & paint industry:Fillers and anti-misting in manufacture of paint and inkMaterial for pigmentsOil absorbent in manufacture of paperCeramics, glass & construction industry:Matting agent in the manufacture of ceramicsMolten material for glass,Adjuster for permittivity in manufacture of ceramic capacitorSuspending agent in mixing cement, denitrificator in manufacturing of special stainless steel.

Flammability and Explosibility

Not classified

Synthesis

(1) 18.52 g of MgCl2-6H2O was dissolved into 350 ml of aqueous solution with pH=10.0, and 35 ml of anhydrous ethanol was added to form a transparent alkaline aqueous solution of MgCl2;

(2) high-purity carbon dioxide gas was introduced into the aqueous solution of MgCl2, and the rate of introduction was controlled to be about 0.5 L/min;

(3) the reaction solution was heated to 60 degrees Celsius, and reacted for 2 h;

(4) after the reaction was finished, the obtained sample was filtered and washed with deionized water to neutral, and then washed with anhydrous water. The reaction solution was heated to 60 degrees Celsius for 2h;

(4) after the reaction, the sample was filtered and washed with deionized water until neutral, then washed with anhydrous ethanol, and dried at 50-80 degrees Celsius for 10h.

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