BST LAB
Basic Physical Properties of Magnesium Oxide
Magnesium Oxide
The oxide with the highest heat resistance
Melting point:2826°C
Magnesium oxide is used as a refractory material due to its excellent heat resistance.
The oxide with the best thermal conductivity
Thermal conductivity:53W・m ˉ¹・K ˉ¹
Magnesium oxide is used as a heat dissipation material due to its very high thermal conductivity.
The oxide with high insulation properties
Electrical resistance rate:10¹⁵Ω・m
Magnesium oxide is used as an insulating material due to its excellent electrical insulation properties.
List of Properties of Magnesium Oxide
| Chemical name | Magnesium Oxide | Remarks | |
| Chemical formula | MgO | ||
| CAS number | 1309-48-4 | ||
| Crystal structure | Cubic (NaCl) | ||
| Molecular weight | 40.31 | ||
| Lattice constant | m | 4.211×10ˉ¹⁰ | |
| Density | kg・mˉ³ | 3580 | |
| Specific heat | J・kgˉ¹・Kˉ¹ | 922 | R.T. |
| Melting point | K | 3099 | |
| Boiling point | K | 3873 | |
| Relative Permittivity | 9.5 | R.T., 1.0 MHz | |
| Dielectric dissipation factor | 0.0001 less than | R.T., 1.0 MHz | |
| Electrical resistance rate | Ω・m | 10¹⁵ | 298K |
| Coefficient of thermal expansion | Kˉ¹ | 13.5×10ˉ⁶ | |
| Thermal conductivity | W・mˉ¹・Kˉ¹ | 53 | R.T. |
*The numerical values provided here are measured by Tateho Chemical or are also based on known literature values. All results arising from the use of these numerical values are the sole responsibility of the user, and Tateho Chemical assumes no liability whatsoever.
Sales Manager: Angela Wong
Mobile:+8618914649393 (WeChat/WhatsApp/Telegram/Line/Viber/Skype)
Corporate Email amywang127@163.com / Emily@achemcn.com
QQ: 3108853290; 2818916207
Contact Us
Copyright © 1993-2026 Jiangsu East Best Industry Co., Ltd. | All Rights Reserved.
Quick Links
Jiangsu East Best Industry Company
Core business:
High precision magnesium oxide tube
Research and development, production, and sales of sticks