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63081

Sigma-Aldrich

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:
1309-42-8
Molecular Weight:
58.32
EC Number:
215-170-3
MDL number:
MFCD00011104
UNSPSC Code:
12352303
PubChem Substance ID:
329759774
NACRES:
NA.25

product line

BioUltra

Quality Level

200

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

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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).

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

63081-BULK-F:
63081-1KG-F:
63081-VAR-F:
63081-250G-F:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM1229
BCCJ8028
BCCK9927
BCCH8744
BCCG7898

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G Johansson et al.
The Journal of urology, 124(6), 770-774 (1980-12-01)
Prophylactic treatment with magnesium hydroxide ws instituted in 56 consecutive cases with renal calcium stones. The patients had been investigated previously with regard to the magnesium metabolism. The urinary magnesium excretion increased promptly and remained on a higher level during
R M Russell et al.
The Journal of laboratory and clinical medicine, 112(4), 458-463 (1988-10-01)
Intestinal folic acid transport is a saturable process with a pH optimum of 5.5 to 6.0. Because of the possible effects of antacids and acid-lowering drugs on the pH of the proximal small intestine, the influence of these drugs on
B K Snyder et al.
Annals of emergency medicine, 33(4), 400-405 (1999-03-27)
Animal models have demonstrated that administration of magnesium hydroxide (MgOH) decreases serum iron levels after an iron overdose. We designed this study to determine the effect of MgOH administration on iron absorption and adverse effects after a supratherapeutic dose of
Andrzej Tarnawski et al.
Current pharmaceutical design, 19(1), 126-132 (2012-09-07)
This article updates current views on gastric mucosal defense, injury, protection and ulcer healing with a focus on mucosal protective and ulcer healing actions of antacids. The gastric mucosa is continuously exposed to a variety of noxious factors, both endogenous
Francys K V Moreira et al.
Carbohydrate polymers, 92(2), 1743-1751 (2013-02-13)
In this paper the mechanical reinforcement of nano-sized brucite, Mg(OH)(2) in a series of bionanocomposite films based on starch was investigated. Brucite nanoplates with an aspect ratio of 9.25 were synthesized by wet precipitation and incorporated into starch matrices at
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