1.05865
Magnesium oxide
for analysis EMSURE®
Synonyme(s) :
Magnesium oxide, Magnesia usta
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A propos de cet article
Quality Segment
product line
EMSURE®
assay
≥97% (complexometric)
form
solid
impurities
≤0.1% Substances insoluble in hydrochloric acid, ≤0.5% Substances soluble in water
loss
≤3% loss on ignition, 1000 °C
pH
10.3 (20 °C in H2O, saturated solution)
bp
3600 °C/1000 hPa
mp
2800 °C
density
3.58 g/cm3 at 25 °C
bulk density
100 kg/m3
anion traces
carbonate (CO32-): ≤1.5% (as CO2), chloride (Cl-): ≤0.01%, sulfate (SO42-): ≤0.02%
cation traces
Ba + Sr (as Ba): ≤0.005%, Ca: ≤0.10%, Cu: ≤0.001%, Fe: ≤0.005%, K: ≤0.005%, Na: ≤0.30%, Pb: ≤0.001%, Zn: ≤0.0005%
storage temp.
no temp limit
SMILES string
[Mg]=O
InChI
1S/Mg.O
InChI key
CPLXHLVBOLITMK-UHFFFAOYSA-N
Application
- Aluminosilicate-Supported Catalysts for the Synthesis of Cyclic Carbonates by Reaction of CO(2) with the Corresponding Epoxides.: Although not directly involving magnesium oxide, this research within analytical chemistry develops related catalytic processes which could cross-apply (Atzori et al., 2022).
Analysis Note
Substances soluble in water: ≤ 0.5 %
Substances insoluble in hydrochloric acid: ≤ 0.10 %
Carbonate (as CO₂): ≤ 1.5 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.10 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.005 %
Na (Sodium): ≤ 0.30 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Barium and Strontium (as Ba): ≤ 0.005 %
Loss on ignition (1000 °C): ≤ 3.0 %
Legal Information
1 of 1
Cet article | |||
|---|---|---|---|
| form solid | form solid | form solid | form beads or granules (May Contain Dark Specs), powder |
| assay ≥97% (complexometric) | assay ≥97% (complexometric) | assay - | assay 98% |
| Quality Level 300 | Quality Level 300 | Quality Level 500 | Quality Level 100 |
| pH 10.3 (20 °C in H2O, saturated solution) | pH 10.3 (20 °C in H2O, saturated solution) | pH 10.3 (20 °C in H2O, saturated solution) | pH - |
| anion traces carbonate (CO32-): ≤1.5% (as CO2), sulfate (SO42-): ≤0.02%, chloride (Cl-): ≤0.01% | anion traces carbonate (CO32-): ≤1.5%, chloride (Cl-): ≤0.01%, nitrate (NO3-): ≤0.005%, sulfate (SO42-): ≤0.001%, sulfate, sulfite (as SO42-): ≤0.02% | anion traces - | anion traces - |
| mp 2800 °C | mp 2800 °C | mp 2800 °C | mp 2852 °C (lit.) |
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Classe de stockage
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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