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- Magnesium Oxide / Magnesia Synonyms:
magnesium oxide, magnesium(II) oxide, magnesia, periclase, calcined brucite, calcined magnesia, magnesium oxide light, magnesium oxide heavy, magnesium oxide white powder, magnesium oxide fused crystals, burnt magnesia, calcined magnesia, calcined magnesite, electromagnesia, fused magnesium oxide, magnesia, magnesia usta, magnesium oxide (MgO), magnesium oxide sticks, magnezu tlenek, seawater magnesia maglite, irtran-5, magnesium monoxide, MgO, magnesite, CAS# 1309-48-4
- Magnesium Oxide / Magnesia Designations:
Chemical Formula: MgO
- Magnesium Oxide / Magnesia General Description:
a) Magnesium oxide (sometimes called magnesia) is formed commercially by heating magnesite to 600-800 deg. C, which drives off most of the CO2. It has good thermal conductivity and electrical resistivity at elevated temperatures
b) Magnesite- A mineral composed of MgCo3
c) Magnesite Grain- dead-burned magnesia in granular form in size suitable for refractory purposes
d) Seawater Magnesite- Dead-burned magnesia made by a chemical process using seawater or other solutions (brines)
e) Periclase- The high temperature form of magnesia
- Magnesium Oxide / Magnesia Nominal Chemical Properties Available:
a) Theoretical composition of magnesite: MgO= 47.8% and Co2= 52.2%
b) Pharmaceutical Grade: Must conform to the USP, JP, and BP specifications
c) Food Additive Grade: Must conform to the FCC specification
- Magnesium Oxide / Magnesia Typical Physical Properties Available:
Single crystals, pieces, targets, and powder sized as fine as nanometers
- Magnesium Oxide / Magnesia Nominal Physical Constants:
| Molecular Weight (g/mol.) |
40.30 |
| Density (g/cm3) |
3.58 |
| Solubility In Water (g/L) |
0.086 |
| RTECS Number |
OM3850000 |
| Melting Point (°C) |
2800 |
| Boiling Point (°C) |
3600 |
| Surface Area (m2/g) |
28- 35 |
| Specific Gravity |
3.53- 3.58 |
| Merck |
11,5555 |
| Thermal Conductivity @20°C (cal/s-cm-°C) |
0.03 |
| Mohs Hardness @20°C |
6.0- 6.5 |
| Color |
white |
| Crystallography |
crystalline solid |
- Magnesium Oxide / Magnesia Typical Applications:
Refractory applications, absorbent, catalyst, catalyst support, Magnetron sputtering source, animal feedstuffs, fertilizers, special cements, gas-scrubbing equipment, and a variety of magnesium chemicals
- Magnesium Oxide / Magnesia Packaging Options:
50 lbs. net bags, drums, and bulk bags
- Magnesium Oxide / Magnesia TSCA (SARA Title III) Status:
a) Yes. For further information please call the E.P.A. at 1-202-554-1404
b) External NIOSH Link to International Safety Card
- Magnesium Oxide / Magnesia Chemical Abstract Service Number:
CAS# 1309-48-4
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