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63089

Sigma-Aldrich

Magnesium oxide

BioUltra, ≥97.0% (calcined substance, KT)

Synonym(s):

Magnesia, MgO

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About This Item

Linear Formula:
MgO
CAS Number:
1309-48-4
Molecular Weight:
40.30
EC Number:
215-171-9
MDL number:
MFCD00011109
UNSPSC Code:
12352303
PubChem Substance ID:
329759781
NACRES:
NA.25

product line

BioUltra

Quality Level

200

Assay

≥97.0% (calcined substance, KT)

impurities

insoluble matter, passes filter test
≤0.002% total nitrogen (N)

loss

≤3% loss on ignition, 900 °C

mp

2852 °C (lit.)

solubility

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

anion traces

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤10 mg/kg

cation traces

Al: ≤20 mg/kg
As: ≤0.1 mg/kg
Ba: ≤10 mg/kg
Bi: ≤10 mg/kg
Ca: ≤500 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
K: ≤50 mg/kg
Li: ≤50 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤2000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤20 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in 5 M HCl

UV absorption

λ: 260 nm Amax: ≤0.040
λ: 280 nm Amax: ≤0.025

SMILES string

O=[Mg]

InChI

1S/Mg.O

InChI key

CPLXHLVBOLITMK-UHFFFAOYSA-N

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Application

Magnesium oxide is used as a dietary supplement to study its effects on processes such as the rate of calcium uptate and ATPase activity. MgO is used in the development of various nanoparticles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG6788
BCCB7432
BCCF0074
BCBX5396
BCBX4326

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Verena Wilhelmi et al.
Toxicology in vitro : an international journal published in association with BIBRA, 26(2), 323-334 (2011-12-27)
Current hazard characterisation of nanoparticles (NP) is predominantly based on in vitro test systems, being established for small molecules of drugs and chemicals. However, specific physicochemical properties of NP may result in interference with assay components, biomarkers, or detection systems.
Zi-Yu Wang et al.
International journal of nanomedicine, 6, 871-875 (2011-07-02)
To explore the preparation and characterization of a novel nanosized magnetic liposome containing the PEI-As(2)O(3)/Mn(0.5)Zn(0.5)Fe(2)O(4) complex. Mn(0.5)Zn(0.5)Fe(2)O(4) and As(2)O(3)/Mn(0.5)Zn(0.5)Fe(2)O(4) nanoparticles were prepared by chemical coprecipitation and loaded with PEI. The PEI- As(2)O(3)/Mn(0.5)Zn(0.5)Fe(2)O(4) complex was characterized using transmission electron and scanning
Sanket A Deshmukh et al.
Physical chemistry chemical physics : PCCP, 14(44), 15593-15605 (2012-10-19)
Atomic scale characterization of the structure and dynamics of confined water molecules located near the metal oxide-aqueous interface is carried out using molecular dynamics simulations. Proximity effects on water molecules (H(2)O) near a magnesium oxide surface (MgO(100)) at room temperature
Qiulin Yang et al.
Bioresource technology, 123, 49-54 (2012-09-04)
The cooking with solid alkali and active oxygen has a high selectivity for delignification. In the present work, the O(2) and H(2)O(2) were separately combined with MgO used in cornstalk cooking for investigating their effects on delignification. After cooking, the
Jens E Wendler et al.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 18(6), 1313-1321 (2012-11-21)
A comparative cathodoluminescence (CL) spectroscopic study of extraordinarily well-preserved versus diagenetically altered Turonian (∼92 Ma before present) calcitic and aragonitic microfossils was performed to document the cathodoluminescence characteristics of two common Cretaceous carbonate producers, foraminifera and calcareous dinoflagellates. Unaltered specimens
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