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13138 Sigma-Aldrich

Magnesium oxide

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E 530, light, 98.0-100.5% (calc. for dried substance)

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Magnesium, Magnesium Catalysts, Materials Science,
InChI Key   CPLXHLVBOLITMK-UHFFFAOYSA-N
grade   puriss.
assay   98.0-100.5% (calc. for dried substance)
quality   meets analytical specification of Ph. Eur., BP, USP, FCC, E 530
filling volume   ≤0.15 g/mL
impurities   free alkali, in accordance
  residual solvents, complies
  soluble salts, in accordance
  ≤0.002% heavy metals (as Pb)
  ≤0.1% insoluble in HCl
  ≤0.1% insoluble in acetic acid
  ≤1% water-soluble matter
loss   ≤5% loss on ignition
mp   2852 °C (lit.)
anion traces   chloride (Cl-): ≤500 mg/kg
  sulfate (SO42-): ≤5000 mg/kg
cation traces   As: ≤2 mg/kg
  Ca: ≤1%
  Cu: ≤10 mg/kg
  Fe: ≤200 mg/kg
  Pb: ≤4 mg/kg
  Zn: ≤10 mg/kg
suitability   passes test for appearance of solution

Description

General description

Magnesium oxide (MgO) has been reported as an industrially important high-temperature material. Lithium-doped magnesium oxide (Li/MgO) may be employed for the synthesis of ethylene and ethane from methane. It participates as a catalyst for the cycloaddition of carbon dioxide to epoxide. It plays the role of a catalyst during the reaction of carbon dioxide with (R)-styrene to afford (R)-phenyl carbonate.
Magnesium oxide can be used as a wide-band-gap insulator. It can undergo hydration to give magnesium hydroxide nanoparticles.

Application

Magnesium oxide (MgO) may be employed as a phase stabilizer during the fabrication of porous β-tricalcium phosphate (β-TCP).

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
OM3850000

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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