12 24.305
Mg
Magnesium

Magnesium , Mg

Magnesium is a chemical element with the symbol Mg, the atomic number 12, and an atomic mass of 24.31. It is described as a shiny grey alkaline earth metal, with low density, low melting point and high reactivity. Magnesium only occurs naturally in combination with other elements, rather than in nature itself and can be obtained through electrolysis of magnesium salts. Once obtained, it can used as an alloying agent to make aluminium-magnesium alloys, sometimes called "magnalium" or "magnelium".

  • Listed below are a selection of some more commonly used sizes. If you do not see anything that suits your needs, please click on the custom request forms and send us your requirements.
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Form

M1-5000-M

Mg Pieces 1-5mm 99.99% Pure

Magnesium

4.1 UN1869, PGIII

M1-5001-M

Mg Pellets 6mm x 6mm 99.99% Pure

Magnesium

4.1 UN1869, PG lll FLAMMABLE

M1-5003-M

MgAl2O4 3-12mm Pieces (fused) 99% pure

Magnesium-Aluminium Oxide

M1-5005-M

Mg3Sb2 6mm Pieces & smaller 99.5% Pure

Magnesium Antimonide

6.1 UN2871 PG III

M1-5008-M

MgF2 3-6mm Pieces (vac. Melted) 99.9% Pure

Magnesium Fluoride

M1-5009-M

MgF2 1-4mm Pieces (crystal form) 99.99% Pure

Magnesium Fluoride

M1-5011-M

MgF2 5mm vacuum melted granules 99.99% Pure

Magnesium Fluoride

M1-5012-M

MgO 3-12mm Pieces (fused) 99.95% Pure

Magnesium Oxide

M1-5013-M

MgO Pieces 3-6mm (fused) 99.95% Pure

Magnesium Oxide

M1-5014-M

MgO 1-3mm Pieces (fused) 99.95% Pure

Magnesium Oxide

M1-5016-M

MgF2 Pieces 1-2.5mm 99.99% Pure

Magnesium Fluoride

M1-5017-M

MgO 3-12mm Pieces (sintered) 99.95% Pure

Magnesium Oxide

M1-5020-M

MgAl2O4 3-12mm Pieces (sintered) 99.99% Pure

Magnesium-Aluminium Oxide

M1-5022-M

MgF2 1-5mm monocrystal 99.999% pure

Magnesium Fluoride

M1-5024-M

Mg Pellets 6.35 dia. x 6.35mm long 99.95% Pure

Magnesium

M1-10016-P

MgCl2 -100 mesh 99.9% Pure

Magnesium Chloride

M1-10017-P

MgF2 -200 mesh 99.90% Pure

Magnesium Fluoride

M1-10018-P

MgF2 -325 mesh (typ. =10 microns) 99% Pure

Magnesium Fluoride

M1-10023-P

Mg3N2 -325 mesh (typ. =10 microns) 99.6% Pure

Magnesium Nitride

M1-10024-P

MgO -40 mesh (Fused) 99.6% Pure

Magnesium Oxide

M1-10025-P

MgO -150 +325 mesh (Fused) 95% Pure

Magnesium Oxide

M1-10026-P

MgO D50 ~2.5 microns 99.95% Pure

Magnesium Oxide

M1-10027-P

MgO -325 mesh (typ. =10 microns calcined) 99.5% Pure

Magnesium Oxide

M1-10028-P

MgO -325 mesh +10 microns (fused) 95% Pure

Magnesium Oxide

M1-10029-P

MgO Powder -100 Mesh 99.95% Pure

Magnesium Oxide 

M1-2000-R

Mg Rod 1.58mm diameter 99.99% pure

Magnesium

M1-2000-R1

Mg 3.175mm dia. x 100mm length 99.9% Pure

Magnesium Rod

M1-2000-R2

Mg Rod 3mm dia. x 50mm long 99.9% Pure

Magnesium 

M1-2000-R3

Mg Rod 3mm dia. x <=200mm length 99.99% Pure

Magnesium 

M1-2001-R

Mg Rod 3.18mm diameter 99.99% pure

Magnesium

M1-2001-R1

Mg Rod 33mm dia. x 300mm long 99.99% Pure

Magnesium

M1-2002-R

Mg Rod 9.25mm diameter 99.99% pure

Magnesium

M1-2002-R1

Mg Rod 9.25mm dia x 300mm long 99.99% Pure

Magnesium

MG-SHT-0.5

Mg Sheet Thickness 0.50mm (0.020")

Purity 99.99%, Magnesium

MG-SHT-0.76

Mg Sheet Thickness 0.76mm (0.030")

Purity 99.99%, Magnesium

MG-SHT-1

Mg Sheet Thickness 1.0mm (0.040")

Purity 99.99%, Magnesium

MG-SHT-3.18

Mg Sheet Thickness 3.18mm (0.125")

Purity 99.99%, Magnesium

M1-9000-D

Magnesium Mg, Available purities 99.9%, 99.95% & 99.99%

M1-9001-D

Magnesium-Iron oxide MgFe2O4

M1-9002-D

Magnesium-Copper-Gadolinium 65-25-10 at%

M1-9003-D

Magnesium-Nickel MgNi03

M1-9004-D

Magnesium fluoride MgF2, Purity 99.99%

M1-9005-D

Magnesium oxide MgO, Available purity 99.9%, 99.95% & 99.99%

M1-9006-D

Magnesium Diboride, MgB2, Purity 99.9%

M1-9007-D

Magnesium- Silver MgAg, Available in various ratios wt% or at%,

Purity 99.5%

M1-9008-D

Magnesium Silicide Mg2Si, Purity 99.9%

M1-9010-D

Magnesium-Boron Mg-B, Available in various ratios wt% or at%,

Purity 99.5%

M1-9011-D

Magnesium-Zinc oxide MgZnO,

Available in various ratios wt% or at%, Purity 99.99%

M1-9011-Dx

Magnesium-Zinc oxide doped with Sodium,

Available in various ratios wt% or at%, Purity 99.99%

M1-9011-Dxx

Magnesium-Zinc oxide doped with Gallium,

Available in various ratios wt% or at%, Purity 99.99%

M1-9012-D

Magnesium-Tin Mg-Sn, Available in various ratios wt% or at%,

Purity 99.9%

M1-9013-D

Magnesium-Copper Mg-Cu, Available in various ratios wt% or at%,

Purity 99.9%

M1-9014-D

Magnesium-Yttrium Mg-Y, Available in various ratios wt% or at%,

Purity 99.95%

M1-9015-D

Magnesium-Aluminium Mg-Al, Available in various ratios wt% or at%,

Purity 99.9% & 99.95%

M1-9016-D

Magnesium Aluminium oxide  MgAl2O4, Purity 99.9%

 

M1-9017-D

Magnesium-Silicon-Tin-Boron Mg/Si/Sn/Bi, Available in various ratios wt% or at%,

Purity 99.9%

M1-9018-D

Magnesium Boride MgB2, Purity 99.9%

M1-9019-D

Magnesium-Silicon-Tin MgSiSn, Available in various ratios wt% or at%,

Purity 99.5%

M1-9020-D

Magnesium-Silver-Nickel-Antimony MgAgNiSb,

Available in various ratios wt% or at%, Purity 99.5%

M1-9021-D

Magnesium-Aluminium-Zinc Mg-Al-Zn Available in various ratios wt% or at%,

Purity 99.9%

M1-9022-D

Magnesium-Zirconium-Hafnium-Titanium-Copper MgZrHfTiCu,

Available in various ratios wt% or at%, Purity 99.9%

MG-F-0.1

Mg Foil Thickness 0.1mm (0.004") Purity 99.9%

Magnesium

MG-F-0.2

Mg Foil Thickness 0.2mm (0.008") Purity 99.9%

Magnesium

M1-9000-D12

Mg TRG 57mm dia. x 0.5mm Tk 99.9% Pure

Magnesium

$237.60/PCS
2 PCS in stock
Select Qty
M1-9000-D59

Mg TRG 57mm dia. x 2mm Tk 99.99% Pure

Magnesium

M1-9000-D34

Mg TRG 50.8mm dia. x 3mm Tk 99.9% Pure

Magnesium

$63.36/PCS
5 PCS in stock
Select Qty
M1-9004-D1

MgF2 TRG 2" dia. x 0.125" Tk 99.99% Pure

Magnesium fluoride

M1-9004-D10

MgF2 TRG 76.2mm dia. x 3mm Tk 99.99% Pure VHP Process, Density 95% min

Magnesium fluoride

M1-9004-D2

MgF2 TRG 101.6mm dia. x 6.35mm Tk 99.99% Pure

Magnesium fluoride

M1-9004-D3

MgF2 TRG 76.2mm dia. x 3.18mm Tk 99.99% Pure

Magnesium fluoride

M1-9004-D4

MgF2 TRG 50.8mm dia. x 1mm Tk 99.99% Pure

Magnesium fluoride

M1-9004-D6

MgF2 TRG 76.2mm dia. x 6.35mm Tk 99.95% Pure

Magnesium Fluoride

M1-9004-D7

MgF2 TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure

Magnesium Fluoride

M1-9004-D8

MgF2 TRG 101.6mm dia. x 6mmTk 99.99% Pure

Magnesium Fluoride

M1-9005-D1

MgO TRG 50.8mm dia. x1.5mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D10

MgO TRG 50.8mm dia. x2mm Tk 99.99% Pure

Magnesium Oxide

M1-9005-D11

MgO TRG 50mm dia. x 3mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D12

MgO TRG 50.8mm dia. x 3.18mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D14

MgO TRG 50.8mm dia. x 3mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D18

MgO TRG 76.2mm dia. x 3mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D2

MgO TRG 50.8mm dia x 2mm Tk 99.9% Pure

Bonded to 50.8mm dia. x 1mm Tk Copper backing plate

Magnesium oxide

M1-9005-D20

MgO TRG 50.8mm dia. x 6.35mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D21

MgO TRG 76.2mm dia. x 3.18mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D24

MgO TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Magnesium oxide

M1-9005-D26

MgO TRG 50.8mm dia. x 3.18mm Tk 99.95% Pure

Indium Bonded to OFHC Cu B/Plate50.8mm dia. x 1.58mm Tk

Magnesium oxide

M1-9005-D27

MgO TRG 101.6mm dia. x 6mm Tk 99.99% Pure

Magnesium oxide

M1-9005-D29

MgO TRG 50.8mm dia. x 6mm Tk 99.95% Pure

Magnesium Oxide Target

M1-9005-D33

MgO TRG 76.2mm dia. x 6.35mm Tk 99.9% Pure

Magnesium Oxide

M1-9005-D34

MgO TRG 101.60mm dia. x 6.35mm Tk 99.9% Pure

Magnesium Oxide

M1-9005-D35

MgO TRG 101.60mm dia. x 3.18mmTk 99.95% Pure

Magnesium Oxide

M1-9005-D41

MgO TRG 25.4mm dia. x 6.35mm Tk 99.95% Pure

Magnesium Oxide

M1-9005-D46

MgO TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Indium bonded to a 50.8mm dia. x 3mm Tk Copper backing plate

Magnesium Oxide 

M1-9005-D52

MgO TRG 25.4mm dia. x 3.18mm Tk 99.95% Pure

Magnesium oxide

M1-9005-D8

MgO TRG 50.8mm dia. x 3.18mm Tk 99.99% Pure

Magnesium oxide

M1-9005-D9

MgO TRG 25.4mm dia. x 6-7mm Tk 99.9% Pure

Magnesium Oxide

MG-ST-1-3-4N

Mg TRG 25.4mm dia. x 3mm Tk 99.99% Pure

Magnesium

MG-ST-1-6-4N

Mg TRG 25.4mm dia. x 6mm Tk 99.99% Pure

Magnesium

MG-ST-2-3-4N

Mg TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Magnesium

$79.20/PCS
3 PCS in stock
Select Qty
MG-ST-2-6-3N5

Mg TRG 50.8mm dia. x 6mm Tk 99.95% Pure

Magnesium

$72.60/PCS
3 PCS in stock
Select Qty
MG-ST-2-6-4N

Mg TRG 50.8mm dia. x 6mm Tk 99.99% Pure

Magnesium

$99.00/PCS
5 PCS in stock
Select Qty
MG-ST-3-6-4N

Mg TRG 76.2mm dia. x 6mm Tk 99.99% Pure

Magnesium

MG-ST-4-3-4N

Mg TRG 101.6mm dia. x 3mm Tk 99.99% Pure

Magnesium

$118.80/PCS
4 PCS in stock
Select Qty
MG-ST-4-6-4N

Mg TRG 101.6mm dia. x 6mm Tk 99.99% Pure

Magnesium

$165.00/PCS
2 PCS in stock
Select Qty
CRY-MgF2

MgF2 single crystal substrate

More Info

Magnesium is a lightweight but sturdy element, making it the eighth most abundant element in the Earth's crust. . It constitutes about 2% of the Earth's crust and it is the third most abundant element dissolved in seawater. 

Magnesium ions are essential to all living cells, and is the 11th most abundant element by mass in the human body. It also plays a pivotal role in various biological processes and is a crucial component of chlorophyll, the green pigment responsible for photosynthesis in plants. As an essential nutrient for both plants and animals, magnesium contributes to the overall well-being of ecosystems.

In industrial applications, magnesium demonstrates its versatility, particularly in the production of lightweight alloys. Magnesium alloys are prized for their strength-to-weight ratio, making them invaluable in aerospace, automotive, and structural engineering. The element's low density and excellent corrosion resistance further enhance its appeal in these applications. It is also used as part of certain dietary requirements with magnesium compounds and supplements are widely available. These supplements contribute to maintaining optimal magnesium levels in the human body, supporting various physiological functions, including nerve function, muscle contraction, and bone health.

As we continue to explore innovative applications for magnesium, its impact on diverse fields promises to expand, shaping the future of materials science, medicine, and sustainable technologies.

Symbol Mg
Atomic number 12
No. of naturally occurring isotopes 3
Atomic weight 24.305
Electronic configuration [Ne]3s2
Metal radius/pm 160
Ionic radius(6-coordinate)/pm 72
Ionization energy/kJmol-1 I 737.5
Ionization energy/kJmol-1 II 1450
Density (20°C)/gcm-3 1.738
Melting point /°C 649
Boiling point /°C 1105
ΔHfus/kJmol-1 8.9
ΔHvap/kJmol-1 127.4
Eo(M2+(aq)+ 2e- →M(S))/V -2.37
Electrical resistivity (20°C)/μohm cm 4.46
Temperature (oC) @Vap. Pressure
10-8 Torr 185 Sublimes
10-6 Torr 247 Sublimes
10-4 Torr 327 Sublimes
Techniques
Electron Beam Good
Crucible Al2O3 & Vitreous Graphite
Coil Tungsten
Boat Tungsten, Molybdenum, Niobium & Tantalum
Remarks
Extremely high rates possible