High Purity Thallium
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MATERIAL OVERVIEW

Characteristics: Bluish-white, lead-like solid. Oxidizes in air at room temperature. Soluble in nitric and sulfuric acids. Insoluble in water, but readily forms soluble compounds when exposed to air or water.

Hazards: Forms toxic compounds on contact with moisture. Keep from contact with skin. Tolerance (as Tl) for soluble salts, 0.1 mg/m3 of air.

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GENERAL PROPERTIES

Symbol:

Tl

Atomic Number:

81

Atomic Weight:

204.37

Density:

11.85 gm/cc

Melting Point:

303.5 oC

Boiling Point:

1457 oC

Thermal Conductivity:

0.461 W/cm/K @ 298.2 K

Electrical Resistivity:

18.0 microhm-cm @ 0 oC

Electronegativity:

1.8 Paulings

Specific Heat:

0.0307 Cal/g/K @ 25 oC

Heat of Vaporization:

38.8 K-Cal/gm atom at 1457 oC

Heat of Fusion:

1.03 Cal/gm mole

 

TYPICAL ANALYSES

Impurities in ppm

Material / Purity:

4N

5N

6N

Ag <1 <1 <.01
Al - - .1
Cd 5 - -
Cu 10 <1 .1
Fe 10 <1 .2
Mg <1 <1 .1
Pb 40 <1 .1
Si <1 <1 .1
Sn <1 <1 -
Zn 5 <1 -

 

THALLIUM ROD

Material

Purity

Thallium Rod .500” 3N, 5N

Rod is cut to order and sold by the inch or foot. Thallium material is packaged under water. Additional diameters are available upon request.  Call or e-mail for a quotaton.

 

THALLIUM STICKS & BAR

Material

Purity

Thallium Sticks 10mm Diameter 4N
Thallium Bar 6N

Sticks and bars are packaged to order and sold by the gram or kilogram. Thallium is packaged under water.

 

THALLIUM COMPOUNDS

Material

Purity

Thallium Acetate TlC2H3O2 -40 Mesh 3N 3N
Thallium Acetate Tl(C2H3O2)3-1.5H2O -8 Mesh 3N 3N
Thallium Bromide TlBr -20 Mesh 3N 5N 3N, 5N
Thallium Carbonate Tl2CO3 -20 Mesh 3N 3N
Thallium Chloride TlCl -20 Mesh 3N 5N 3N, 5N
Thallium Chloride TlCl 1/2" to 1/8" Pieces 3N 3N
Thallium Chloride TlCl3 -20 Mesh 3N 3N
Thallium Oxide Tl2O -60 Mesh 2N5 2N5
Thallium Oxide Tl2O3 -60 Mesh 2N5 2N5
Compounds are packaged to order and sold by the gram or kilogram.

 

 

Material Safety Data Sheet - MSDS
Thallium MSDS
Technical Data Sheets
Understanding Mesh Sizes
 
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