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Merck

63081

Magnesium hydroxide

BioUltra, ≥99.0% (KT)

Synonym(s):

Magnesium dihydroxide, Mg(OH)2

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About This Item

Linear Formula:
Mg(OH)2
CAS Number:
Molecular Weight:
58.32
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-170-3
MDL number:
Assay:
≥99.0% (KT)
Grade:
reagent grade
Solubility:
5 M HCl: 0.1 M at 20 °C, clear, colorless
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grade

reagent grade

Quality Segment

product line

BioUltra

assay

≥99.0% (KT)

impurities

Insoluble matter, passes filter test

mp

350 °C (lit.)

solubility

5 M HCl: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤500 mg/kg, sulfate (SO42-): ≤1000 mg/kg

cation traces

As: ≤0.1 mg/kg, Ba: ≤10 mg/kg, Bi: ≤50 mg/kg, Ca: ≤5000 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤100 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mn: ≤10 mg/kg, Mo: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤100 mg/kg, Pb: ≤5 mg/kg, Sr: ≤10 mg/kg, Zn: ≤5 mg/kg

λ

0.1 M in 5 M HCl

UV absorption

λ: 260 nm Amax: 0.030, λ: 280 nm Amax: 0.025

SMILES string

O[Mg]O

InChI

1S/Mg.2H2O/h;2*1H2/q+2;;/p-2

InChI key

VTHJTEIRLNZDEV-UHFFFAOYSA-L

General description

Magnesium hydroxide is commonly used as a non-systemic antacid for treating acid-peptic disorders. It helps in the treatment kidney stones patients by reducing the recurrence rate.

Application

Magnesium hydroxide is used as a dietary supplement to study its effects on the absorbtion of factors such as folic acid and iron and the release of the peptide hormone cholecystokinin (CCK).


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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