Molecular Formula: Mg(OH)2
Molecular Weight: 58.32
Properties: Colorless solid. The density is 2.36/cm3. It’s insoluble in water, soluble in acid and ammonium salt solution easily. It belongs to the medium strong alkali. It decomposes at 350 ℃.
Applications: Magnesium hydroxide powder is used industrially as a non-hazardous alkali to neutralise acidic wastewaters. It also has smoke suppressing and fire retarding properties.
Specification:
Technical Specification: HG/T3607-2000
|
Index
|
I Class
|
II Class
|
|
MgO(min%)
|
63.0
|
62.0
|
|
CaO (max%)
|
1.0
|
1.0
|
|
Acid Insoluble Matter (max%)
|
0.2
|
1.5
|
|
Water (max%)
|
2.5
|
3.0
|
|
Cl (max%)
|
0.15
|
0.4
|
|
Fe (max%)
|
0.25
|
-
|
|
Loss On Ignition (min%)
|
28.0
|
-
|
|
75 μm Sieving Residue (max%)
|
0.5
|
1.0
|