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HomeProduct name listMAGNESIUM BORIDE

MAGNESIUM BORIDE

Synonym(s):Magnesium diboride

  • CAS NO.:12007-25-9
  • Empirical Formula: B2Mg
  • Molecular Weight: 45.93
  • MDL number: MFCD00049752
  • EINECS: 234-501-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
MAGNESIUM BORIDE Structural

What is MAGNESIUM BORIDE?

Description

Magnesium diboride (MgB2) is a simple ionic binary compound that has proven to be an inexpensive and useful superconducting material.

Chemical properties

hexagonal crystal(s); -100mesh with 99% purity; refractory material [CER91] [KIR78] [LID94]

Chemical properties

Magnesium Boride is brown solid, by reaction of boron oxide and magnesium powder ignited.

Physical properties

Its molecular weight is 45.9325 g/mol. Magnesium Boride melts at 830°C and is hexagonal with space group P6/mmm and lattice constants of a=3.0864? , c=3.5215 ?. The density is 2.625 g/cm3 and the hardness is 1260 kg/mm2.

The Uses of MAGNESIUM BORIDE

Magnesium Boride exhibits super conducting properties and utilized in MRI superconducting magnet, which is a closed-loop cryocooler. It is used as propellants, pyrotechnics and explosives. It can be used as high temperature boron-based thermoelectric materials. It is also used in superconducting transformers, rotors, transmission cables, superconducting radio frequency cavities to minimize energy loss.

The Uses of MAGNESIUM BORIDE

Chemical reagent.

Preparation

Magnesium boride can be formed directly from the elements. Mg melts at 650 °C and boron melts at 2076 °C. Therefore, if a vapor of Mg metal at >750°C (red-heat) is passed over crystals of boron, reaction forms the desired boride. However, to obtain a stoichiometric compositions, it is better to heat the well-mixed powders of Mg and B to obtain specific compounds:
Mg + 2B→MgB2

General Description

Magnesium boride (MgB2) powder is a superconductive material which has a critical temperature (Tc) = 39K. It can be used for a variety of applications such as hydrogen storage, high energy fuel and high field superconductors.

Properties of MAGNESIUM BORIDE

Melting point: 800°C
Density  2.570
RTECS  OM3078000
form  Powder
color  Dark Gray
Water Solubility  Insoluble in water.
Merck  13,5687
EPA Substance Registry System Magnesium boride (MgB2) (12007-25-9)

Safety information for MAGNESIUM BORIDE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P330:Rinse mouth.

Computed Descriptors for MAGNESIUM BORIDE

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