Tantalum


Tantalum is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue-gray, lustrous transition metal, tantalum is highly corrosion resistant and occurs naturally in the mineral tantalite, always together with the chemically similar niobium. Tantalum is part of the refractory metals group, which are widely used as minor component in alloys. The chemical inertness of tantalum makes it a valuable substance for laboratory equipment and a substitute for platinum, but its main use today is in tantalum capacitors.

Tantalum Metal Tantalum Chloride Tantalum Oxide

Tantalum Metal:

Tantalum MetalTa

CAS#: 7440-25-7, m.p. 2996 °C, b.p. 5425 °C, density 16.6 gm/cm3
Gray, heavy, ductile and very hard metal, high melting point, very high resistance to chemical corrosion.
Item No. Description Purity Lot Size US$
ME73-3N5(SR) Tantalum Metal Powder
Metallurgical Grade
-150 mesh or -325 mesh.
Ta > 99.95% (metals basis)
Nb < 0.010%, Fe < 0.005%, Ni < 0.005%, Si < 0.015%
O < 0.2%, H < 0.005%, N < 0.01%, C < 0.015%
10 kg
50 kg
100 kg
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ME73-3N5(EB) Tantalum Metal Powder
Electron Beam Grade
-150 mesh or -325 mesh.
Ta > 99.95% (metals basis)
Nb < 50 ppm, Fe < 25 ppm, Ni < 50 ppm, Si < 10 ppm
O < 2000 ppm, N < 50 ppm, C < 50 ppm
10 kg
50 kg
100 kg
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ME73-3N5(CP)-FTaXX Tantalum Metal Powder
Various Capacitor Grades
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Ta > 99.95% (metals basis)
O 1600~2800 ppm, N 70~300 ppm, C 70~100 ppm
Nb < 50 ppm, Fe+Cr+Ni < 150 ppm, Si < 10 ppm
Specific capacitance: 3,500 to 40,000 µfv/g
10 kg
50 kg
100 kg
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Please Note:
We supply various fabricated tantalum and tantalum alloys products: tantalum plates, tantalum sheets, tantalum foils, tantalum targets, tantalum rods and tantalum wires for the electronic, semiconductor and chemical industries. Please contact us for more information and prices.

Tantalum Chloride:

Tantalum ChlorideTaCl5

CAS#: 7721-01-9, UN3260
White to pale yellow crystals or crystalline powder, F.W. 358.21, m.p. 216 °C, Spec. Gravity 3.68gm/cm3
Item No. Description Purity Lot Size US$
CL73-3N Tantalum Chloride TaCl5 > 99.9% 50 kg
100 kg
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Tantalum Oxide:

Tantalum (V) OxideTa2O5

CAS#: 1314-61-0, not hazardous, soluble in HF
White powder, F.W. 441.98, m.p. 1800 °C, Spec. Gravity 8.2 gm/cm3
Item No. Description Purity (Impurities in Oxides) Lot Size US$
OX73-3N Tantalum (V) Oxide Powder
Particle size (FSSS): 0.5~2 µm
Ta2O5 > 99.9% (metals basis)
Nb < 0.005%, Fe < 0.005%, Si < 0.002%
Ti < 0.002%, Ni < 0.002%, W < 0.003%
10 kg
50 kg
100 kg
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OX73-4N Tantalum (V) Oxide Powder
Particle size (FSSS): 1~3 µm
Ta2O5 > 99.99% (metals basis)
Nb < 10 ppm, Fe < 10 ppm, Si < 10 ppm
Ti < 3 ppm, Ni < 3 ppm, W < 5 ppm
10 kg
50 kg
100 kg
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OX73-5N Tantalum (V) Oxide Powder
Particle size (FSSS): 1~3 µm
Ta2O5 > 99.999% (metals basis)
Nb < 2 ppm, Fe < 3 ppm, Si < 3 ppm
Ti < 1 ppm, Ni < 1 ppm, W < 2 ppm
10 kg
50 kg
100 kg
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