42 95.950
Mo
Molybdenum

Molybdenum , Mo

Molybdenum (from the Greek meaning "lead-like"), is a Group 6 chemical element with the symbol Mo and atomic number 42. It has the sixth-highest melting point of any element, and for this reason it is often used in high-strength steel alloys. Molybdenum's exceptional physical properties, coupled with its diverse industrial applications, underscore its significance as a key element driving innovation and progress across multiple sectors. Whether in high-strength steel alloys, semiconductor devices, or chemical catalysts, molybdenum continues to play a vital role in shaping the modern world.

  • 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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M4-5002-M

Mo 6mm x 6mm Pellets 99.95% Pure

Molybdenum

M4-5004-M

Mo Pieces 1-3mm 99.95% Pure

Molybdenum

M4-5008-M

Mo Pellets 3mm dia x 3mm long 99.95% Pure

Molybdenum

M4-5009-M

MoO3 Pieces 2-4mm (sintered) 99.95% Pure

Molybdenum oxide

M4-5010-M

MoO3 1-6mm Pieces 99.95% Pure

Molybdenum Oxide

M4-5011-M

MoO3 3-6mm Pieces (sintered) 99.95% Pure

Molybdenum oxide

M4-5017-M

MoS2 3-6mm Pieces 99.9% Pure

Molybdenum Sulphide

M4-5018-M

Mo 1-6mm Pieces 99.95% Pure

Molybdenum

M4-10000-P

Mo Powder -100 Mesh 99.95% Pure

Molybdenum

4.1 UN3089, PG II

M4-10009-P

Mo2C -325 Mesh (typ. =10 microns) 99.5% Pure

Molybdenum carbide

M4-10010-P

MoCl2 -100 Mesh 99.5% Pure

Molybdenum Chloride

M4-10011-P

MoCl5 -8 Mesh 99.5% Pure

Molybdenum Chloride

8 UN2508 PG III

M4-10012-P

Mo2N+MoN -325 Mesh (typ =10 microns) 99.5% Pure

Molybdenum Nitride

M4-10013-P

MoO3 -100 Mesh 99.999% Pure

Molybdenum Oxide

6.1 UN3288 PG III

M4-10014-P

MoO3 -100 Mesh 99.95% Pure

Molybdenum Oxide

6.1 UN3288 PG III

M4-10015-P

MoO2 -200 Mesh (brown) 99.9% Pure

Molybdenum Oxide

6.1 UN3288 PG III

M4-10017-P

MoSe2 -325 Mesh (typ. =10 microns) 99.9% Pure

Molybdenum Selenide

6.1 UN3283 PG III

M4-10023-P

MoS2 ~1 um average 99% Pure

Molybdenum Sulphide

M4-10024-P

MoTe2 -325 Mesh (typ. =10 microns) 99.9% Pure

Molybdenum Telluride

6.1 UN3288 PG III

M4-10025-P

MoS2 -10 Microns 99.9% Pure

Molybdenum Sulphide

M4-10026-P

MoO3 -60 Mesh Powder 99.999% Pure

Molybdenum Oxide

M4-10031-P

MoO3 Powder -100 Mesh 99.99% Pure

Molybdenum Oxide

6.1 UN3288 PG III

M4-10034-P

MoO3 Powder D50 1-2 microns  99.9% Pure

Molybdenum (VI) Oxide

6.1 UN3288  PG III

M4-2000-R1

Mo Rod 1.5mm dia x 1000mm Long 99.95% Pure

Molybdenum

M4-2000-R2

Mo Rod 2mm dia. x 500mm Long 99.9% Pure

Molybdenum

M4-2000-R3

Mo Rod 2mm dia. x 27mm Long 99.95% Pure

Molybdenum

M4-2000-R4

Mo Rod 3mm dia. x <=200mm long 99.95% Pure

Molybdenum

M4-2001-R

Mo Rod 3.18mm diameter 99.95% pure

Molybdenum

M4-2001-R1

Mo Rod 5mm dia. x 200mm long 99.95% Pure

Molybdenum

M4-2002-R

Mo Rod 6.35mm diameter 99.95% pure

Molybdenum

M4-2002-R1

Mo Rod 6.35mm dia. x 1000mm Long 99.95%+ Pure

Molybdenum

M4-2002-R2

Mo Rod 6.35mm dia. x 70mm long 99.95% Pure

Molybdenum

M4-2002-R3

Mo Rod 6.35mm dia. x 140mm long 99.95% Pure

Molybdenum

M4-2002-R4

Mo Rod 6.35mm dia. x 300mm long 99.95% Pure

Molybdenum

M4-2003-R

Mo Rod 12.7mm diameter 99.95% pure

Molybdenum

M4-2003-R1

Mo Rod 10mm dia. x 1000mm long 99.9% Pure

Molybdenum

M4-2004-R

Mo Rod 15.88mm diameter 99.95% pure

Molybdenum

M4-2004-R1

Mo Rod 15mm dia. x 1500mm Long 99.95% Pure

Molybdenum

M4-2006-R

Mo Rod 25.4mm diameter 99.95% pure

Molybdenum

M4-2006-R1

Mo Rod 25.4mm dia. x 50.8mm long 99.95% Pure

Molybdenum

M4-2007-R

Mo Rod 20mm diameter 99.95% pure

Molybdenum

M4-2007-R1

Mo Rod 20mm dia. x 1000mm long 99.95% Pure

Molybdenum

M4-2007-R2

Mo Rod 22mm dia. x 500mm long 99.95% Pure

Molybdenum

M4-2009-R

Mo Rod 30mm diameter 99.95% pure

Molybdenum

M4-2009-R1

Mo Rod 30mm dia. x 200mm long 99.95% Pure

Molybdenum

M4-2009-R2

Mo Rod 30mm dia. x 500mm long 99.95% Pure

Molybdenum

M4-2009-R3

Mo Rod 30mm dia. x 200mm long 99.95% Pure

Molybdenum

M4-2010-R1

Mo Rod 4mm dia. x 27mm long 99.9 Pure

Molybdenum

M4-2010-R2

Mo Rod 4mm dia. x 27mm long 99.95% Pure

Molybdenum

M4-2010-R3

Mo Rod 4mm dia. x 150mm long 99.95% Pure

Molybdenum

M4-2011-R1

Mo Rod 40mm dia. x 200mm long 99.95% Pure

Molybdenum

M4-2012-R1

Mo Rod 34-35mm dia. x 85mm long 99.95% Pure

Molybdenum

M4-2013-R1

MoSe2 Rod 19.8mm (+0/-0.1) dia x 5mm Tk 99.9% Pure

Molybdenum Selenide

M4-2014-R1
Mo Sample Shield Block (13-612) DrawingMM-05-0985P-BMolybdenum
M4-4000-S1

Mo Sheet 500mm x 500mm x 0.25mm Tk 99.95% Pure

Molybdenum

M4-4004-S1

Mo Sheet 500mm x 500mm x 1mm Tk 99.95% Pure

Molybdenum

MO-SHT-0.5

Mo sheet Thickness 0.50mm (0.020")

Purity 99.95%, Molybdenum

MO-SHT-1.0

Mo sheet Thickness 1.00mm (0.040")

Purity 99.95%, Molybdenum

MO-SHT-1.5

Mo Sheet Thickness 1.50mm (0.060")

Purity 99.95%, Molybdenum

MO-SHT-12.7

Mo sheet Thickness 12.7mm (0.500")

Purity 99.95%, Molybdenum

MO-SHT-25.4

Mo sheet Thickness 25.4mm (1")

Purity 99.95%, Molybdenum

MO-SHT-3.18

Mo Sheet Thickness 3.18mm (0.125")

Purity 99.95%, Molybdenum

MO-SHT-6.35

Mo sheet Thickness 6.35mm (0.250")

Purity 99.95%, Molybdenum

MO-SHT-9.5

Mo sheet Thickness 9.5mm (0.375")

Purity 99.95%, Molybdenum

M4-1001-W

Mo Wire 0.2mm dia. 99.98% Pure

Molybdenum

M4-1002-W

Mo Wire 0.5mm dia. 99.98% Pure

Molybdenum

M4-1003-W

Mo Wire 1.2mm dia. 99.95% Pure

Molybdenum

M4-1004-W

Mo Wire 0.5mm dia. 99.95% Pure

Molybdenum

M4-1005-W

Mo Wire 0.150mm dia. 99.98% Pure

Molybdenum

M4-1006-W

Mo Wire 1mm dia. 99.95% Pure

Molybdenum

M4-1007-W

Mo Wire 0.008" dia. 99.98% Pure

Molybdenum

M4-1008-W

Mo Wire 0.009" dia. 99.98% Pure

Molybdenum

M4-1009-W

Mo Wire 0.010" dia. 99.98% Pure

Molybdenum

M4-1010-W

Mo Wire 0.002' dia. 99.98% Pure

Molybdenum

M4-1011-W

Mo Wire 0.004'' dia. 99.98% Pure

Molybdenum

M4-1012-TW

Mo Wire Triple stranded 0.5mm dia. 99.98% Pure

Molybdenum

M4-1013-W

Mo Wire 0.006'' dia. 99.98% Pure

Molybdenum

M4-1014-W

Mo Wire 0.040" dia. 99.98% Pure

Molybdenum

M4-1020-W

Mo Wire 0.025" dia. 99.98% Pure

Molybdenum

M4-3004-F1

Mo Foil 220mm x 205mm x 0.127mm Tk99.95% Pure

Molybdenum

MO-F-0.1

Mo Foil Thickness 0.1mm (0.004") Purity 99.95%

Molybdenum

MO-F-0.2

Mo Foil Thickness 0.2mm (0.008") Purity 99.95%

Molybdenum

M4-9000-D1

Mo TRG 57mm dia. x 0.1mm Tk 99.95% Pure

Molybdenum

$118.80/PCS
4 PCS in stock
Select Qty
M4-9000-D96

Mo TRG 57mm dia. x 0.3mm Tk 99.95% Pure

Molybdenum

M4-9000-D13

Mo TRG 75mm dia. x 6mm Tk 99.95% Pure

Molybdenum

M4-9005-D1

MoO3 TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure

Molybdenum Oxide

M4-9005-D10

MoO3 TRG 76.2mm dia. x 6.35mm Tk 99.95% Pure

Molybdenum Oxide

M4-9005-D11

MoO3 TRG 25.4mm dia. x 5mm Tk 99.95% Pure

Molybdenum Oxide

M4-9005-D12

MoO3 TRG 25.4mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum Oxide

M4-9005-D13

MoO3 TRG 50.8mm dia. x 6mm Tk 99.9% Pure

Molybdenum Oxide

M4-9005-D14

MoO3 TRG 76.2mm dia. x 3mm Tk 99.99% Pure

Molybdenum Oxide

M4-9005-D15

MoO3 TRG 25.4mm dia. x 6.35mmTk 99.99% Pure

Molybdenum Oxide

M4-9005-D16

MoO3 TRG 50.8mm dia. x 6mm Tk 99.99% Pure

Molybdenum Oxide

M4-9005-D2

MoO3 TRG 101.6mm dia. x 6mm Tk 99.95% Pure

Molybdenum Oxide

M4-9005-D20

MoO3 TRG 50.8mm dia. x 3.18mm Tk 99.95% Pure

Molybdenum oxide

M4-9005-D22

MoO2 TRG 25.4mm dia. x 6mm Tk 99.9% Pure

Molybdenum oxide

M4-9005-D3

MoO3 TRG 76.2mm dia. x 3.18mm Tk 99.99% Pure

Molybdenum Oxide

M4-9005-D4

MoO3 TRG 50.8mm dia. x 3.18mm Tk 99.99% Pure

Molybdenum Oxide

M4-9005-D5

MoO3 TRG 2" dia. x 5mm Tk 99.95% Pure

Molybdenum Oxide

M4-9005-D6

MoO3 TRG 50.8mm dia. x 3mm Tk 99.95% Pure

Molybdenum Oxide

M4-9006-D1

MoSe2 TRG 25.4mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum selenide

M4-9006-D13

MoSe2 TRG 50.8mm dia. x 5mm Tk 99.95% Pure

Molybdenum Selenide

M4-9006-D14

MoSe2 TRG 50.8mm dia. x 5mm Tk 99.9% Pure

Molybdenum Selenide

M4-9006-D15

MoSe2 TRG 101.6mm dia. x 3.18mm Tk 99.99% Pure

Molybdenum Selenide

M4-9006-D4

MoSe2 TRG 50.8mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum selenide

M4-9006-D5

MoSe2 TRG 50.8mm dia. x 4mmTk 99.9% Pure

Molybdenum Selenide

M4-9006-D6

MoSe2 TRG 76.2mm dia. x 3.18mm Tk 99.9% Pure

Molybdenum Selenide

M4-9006-D8

MoSe2 TRG 50.8mm x 3mm Tk 99.9% Pure

Molybdenum Selenide

M4-9008-D1

MoS2 TRG 50.8mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum sulphide

M4-9008-D12

MoS2 TRG 76.2mm dia. X 3mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D14

MoS2 TRG 50.8mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum Disulphide

M4-9008-D17

MoS2 TRG 50.3mm dia. x 3mm Tk 99.9% Pure

Molybdenum Disulphide

M4-9008-D18

MoS2 TRG 76.2mm dia. x 7mm Tk 99.9% Pure

Molybdenum Disulphide

M4-9008-D20

MoS2 TRG 50.8mm dia. x 2mm Tk 99.9% Pure

Molybdenum Sulphide

More Info
M4-9008-D21

MoS2 TRG 50.8mm dia. x 4mmTk 99.9% Pure

Molybdenum Sulphide

M4-9008-D22

MoS2 TRG 25.4mm dia. x 3.18mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D23

MoS2 TRG 50.8mm dia. x 3mmTk 99.95% Pure

Molybdenum Sulphide

M4-9008-D24

MoS2 TRG 25.4mm dia. x 3mm Tk 99.9% Pure

Molybdenum sulphide

M4-9008-D25

MoS2 TRG 50.8mm dia. x 6.35mm Tk 99.99% Pure

Molybdenum Sulphide

M4-9008-D27

MoS2 TRG 25.4mm dia. x 3mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D28

MoS2 TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Molybdenum Sulphide

M4-9008-D3

MoS2 TRG 25.4mm dia. x 6mm Tk 99.9% Pure

Molybdenum Disulphide

M4-9008-D30

MoS2 TRG 76.2mm dia. x 6mm Tk 99.9% Pure

Molybdenum sulphide

M4-9008-D31

MoS2 TRG 25.4mm dia. x 5mm Tk 99.9% Pure

Molybdenum sulphide

M4-9008-D32

MoS2 TRG 30mm dia. x 5mm Tk 99.9% Pure

Molybdenum sulphide

M4-9008-D33

MoS2 TRG 25.4mm dia. x 10mm Tk 99.9% Pure

Molybdenum Disulphide

M4-9008-D4

MoS2 TRG 101.6mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D6

MoS2 TRG 50.8mm dia. x 3.18mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D7

MoS2 TRG 76.2mm dia. x 3.18mm Tk 99.9% Pure

Molybdenum Sulphide

M4-9008-D8

MoS2 TRG 25.4mm dia. x 6mmTk 99.9% Pure

Molybdenum Sulphide

M4-9011-D1

MoTe TRG 25.4mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum Telluride

M4-9011-D2

MoTe2 TRG 25.4mm dia. x 5mm Tk 99.9% Pure

Molybdenum Telluride

M4-9011-D3

MoTe2 TRG 25.4mm dia. x 6.35mm Tk 99.9% Pure

Molybdenum Telluride

M4-9011-D4

MoTe2 TRG 50.8mm dia. x 5mm Tk 99.9%+ Pure

Molybdenum Telluride

M4-9013-D3

Mo-Ti 80-20 wt% TRG 25.4mm dia. x 3mm Tk 99.95% Pure

Molybdenum-Titanium

MO-ST-1-3-3N5
Mo TRG 25.4mm dia. x 3mm Tk 99.95% PureMolybdenum
$59.40/PCS
9 PCS in stock
Select Qty
MO-ST-1-6-3N5
Mo TRG 25.4mm dia. x 6mm Tk 99.95% PureMolybdenum
$72.60/PCS
4 PCS in stock
Select Qty
MO-ST-2-3-3N5

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

Molybdenum

$79.20/PCS
9 PCS in stock
Select Qty
MO-ST-2-6-3N5
Mo TRG 50.8mm dia. x 6mm Tk 99.95% PureMolybdenum
$85.80/PCS
13 PCS in stock
Select Qty
MO-ST-3-3-3N5
Mo TRG 76.2mm dia. x 3mm Tk 99.95% PureMolybdenum
$105.60/PCS
0 PCS in stock
Select Qty
MO-ST-4-3-3N5
Mo TRG 101.6mm dia. x 3mm Tk 99.95% PureMolybdenum
$151.80/PCS
2 PCS in stock
Select Qty
MO-ST-4-6-3N5
Mo TRG 101.6mm dia. x 6mm Tk 99.95% PureMolybdenum
$191.40/PCS
0 PCS in stock
Select Qty
M4-9000-D90

Mo TRG 152.4 dia. x 6.35mm Tk 99.95% Pure

Molybdenum

M4-9005-D21

MoO3 TRG 25.4mm x 25.4mm x 3.18mm Tk 99.95% Pure

Molybdenum oxide

Discovered in 1778 by Carl Wilhelm Scheele and subsequently isolated in 1781 by Peter Jacob Hjelm, molybdenum has since emerged as a cornerstone of modern industrial applications. Its versatility extends beyond metallurgy, with molybdenum playing a crucial role in sectors such as electronics, energy production, and chemical manufacturing.

At the core of molybdenum's significance lies its exceptional melting point, which ranks among the highest of any element. This characteristic renders molybdenum indispensable in applications requiring materials to withstand extreme temperatures without succumbing to deformation or structural failure. Consequently, it finds extensive use in the production of high-strength steel alloys, where its inclusion enhances the material's resistance to heat-induced softening and improves its mechanical properties.

In the electronics industry, molybdenum's ability to withstand high temperatures and its excellent electrical conductivity make it an ideal material for producing thin films used in semiconductor devices and integrated circuits. Its compatibility with silicon-based electronics and its resistance to oxidation contribute to its widespread adoption in this field.

Moreover, molybdenum's resistance to corrosion and erosion, coupled with its ability to maintain mechanical integrity at elevated temperatures, makes it well-suited for applications in the energy sector. It is commonly utilised in components of power plants, such as turbines, boilers, and heat exchangers, where it ensures long-term reliability and operational efficiency.

Symbol Mo
Atomic number 42
No. of naturally occurring isotopes 7
Atomic weight 95.94
Electronic configuration [Kr]4d5s7
Metal radius( 12-coordinate)/pm 139
Ionic radius(6-coordinate)/pm VI 59
Ionic radius(6-coordinate)/pm V 61
Ionic radius(6-coordinate)/pm IV 65
Ionic radius(6-coordinate)/pm III 69
Density (20°C)/gcm-3 10.28
Melting point /°C 1620
Boiling point /°C 4650
ΔHfus/kJmol-1 28(+/-3)
ΔHvap/kJmol-1 590(+/-21)
ΔHf(monoatomic gas)/kJmol-1 664(+/-13)
Electrical resistivity (20°C)/μohm cm ~5
Electronegativity χ 1.8
Ionization energy/kJmol-1 I 685
Ionization energy/kJmol-1 II 1558
Ionization energy/kJmol-1 III 2621
Temperature (oC) @Vap. Pressure