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Magnesium hydroxide
Molecular formula Mg(OH)2
Molecular weight 58.34
CAS    NO 1309-42-8
Characters White amorphism powder
Use Used in pharmaceutical and refining for sugar.
Specification Analytically pure , chemically pure
Executive standard Enterprise standard
Technical index
Name
Analytically pure (%)
Chemically pure(%)
Content
≥98.0
≥98.0
Unsolvable in hydrochloric acid
≤0.03
≤0.1
Water soluble matter ≤0.5
loss on drying ≤2 ≤2
Ignition loss 30~33 30~33
Chloride(Cl)
≤0.02
≤0.05
Nitrate(NO3) ≤0.005 ≤0.01
Sulfate(SO4)
≤0.02
≤0.2
Calcium(Ca)
≤0.05
Ferrum(Fe)
≤0.002
≤0.01
Heavy metal(Pb)
≤0.005
≤0.01
Packing 500kg for bottle packing40kg for pail packing, 25kg for paper plastic packing.
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