81 Tl 204.38

Thallium

post-transition · Group 13 · Period 6

3 section(s) thin

Atomic properties

Atomic number
81
Z
Atomic weight
204.38[1]
g/mol
Density
11.85 g/cm³
at STP
Melting point
304 °C
at 1 atm
Boiling point
1473 °C
at 1 atm
Crystal structure
hexagonal
Electron config.
[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p¹
Oxidation states
+1, +3
most common

Market data

No tradeable futures market for Tl on Yahoo / Stooq. Live market data is not available; pricing in this page is based on contract reference figures from the source documents.

Commercial forms & specifications

Product FormChemical FormulaMolecular WeightTypical PurityPrice Range (USD/kg)Main Applications
Thallium MetalTl204.38 g/mol99.9-99.999%$5,000-8,000Alloys, optical materials
Thallium(I) AcetateTlC₂H₃O₂263.43 g/mol99-99.9%$12,000-15,000Organic synthesis catalyst
Thallium(I) BromideTlBr284.29 g/mol99.9-99.999%$18,000-25,000IR optics, radiation detectors
Thallium(I) ChlorideTlCl239.84 g/mol99-99.9%$10,000-14,000Catalyst, optical filters
Thallium(I) SulfateTl₂SO₄504.83 g/mol99-99.5%$8,000-12,000Analysis reagent, electronics
Thallium(I) NitrateTlNO₃266.39 g/mol99-99.9%$11,000-16,000Fireworks, analysis
Thallium(I) IodideTlI331.29 g/mol99.9-99.999%$20,000-28,000Scintillation crystals, detectors
Thallium(III) OxideTl₂O₃456.77 g/mol99-99.9%$15,000-22,000Glass manufacture, catalysts
Thallium Bromide-IodideTlBr-TlIVariable99.9-99.999%$25,000-35,000KRS-5 optical crystals
Thallium-201 (Isotope)²⁰¹Tl201 g/molMedical grade$50,000-100,000Medical imaging (cardiac)

Suppliers by country

🇩🇪 Germany

CompanyProduct FormsSpecialties
TRADIUM GmbHMetal, acetate, bromide, chloride, nitrateHigh-purity thallium compounds, custom synthesis
Merck KGaAVarious thallium salts, analytical reagentsResearch-grade materials, certified standards

🇨🇳 China

CompanyProduct FormsSpecialties
Vital Materials Co.Metal, bromide, iodide, optical crystalsHigh-purity materials for semiconductors
CNMC (Ningxia) OrientMetal, sulfate, various compoundsBy-product recovery from zinc/lead smelting
Hunan Jinwang BismuthMetal, basic compoundsRecovery from lead/zinc residues

🇧🇪 Belgium

CompanyProduct FormsSpecialties
UmicoreHigh-purity metal, compoundsRecycling, ultra-pure materials

🇺🇸 United States

CompanyProduct FormsSpecialties
Sigma-Aldrich (Millipore)All major thallium compoundsResearch chemicals, analytical standards
American ElementsMetal, compounds, nanomaterialsHigh-purity materials, custom synthesis
Alfa AesarVarious compounds, metalResearch-grade materials

🇰🇿 Kazakhstan

CompanyProduct FormsSpecialties
Kazzinc (Glencore)Metal (by-product)Recovery from zinc production

🇯🇵 Japan

CompanyProduct FormsSpecialties
Sumitomo Metal MiningMetal, compoundsBy-product from zinc/lead refining
Mitsui Mining & SmeltingMetal, basic compoundsRecovery from smelting operations

Market demand by product form

Product FormGlobal Market SizePrimary MarketsAnnual ConsumptionGrowth Rate (CAGR)
Thallium Metal$40 millionChina (45%), USA (20%), Japan (15%)5-6 MT2.5%
Optical Compounds (TlBr, TlI)$35 millionUSA (35%), EU (30%), Japan (20%)1.5-2 MT4.8%
Electronic Grade Compounds$25 millionChina (40%), Taiwan (25%), Korea (20%)2-3 MT3.5%
Medical Isotopes (Tl-201)$20 millionUSA (40%), EU (35%), Japan (15%)0.05-0.1 MT-2.0%
Catalyst Applications$15 millionChina (50%), India (20%), EU (20%)1-1.5 MT1.5%
Research & Development$10 millionUSA (45%), EU (30%), Japan (15%)0.5-1 MT3.0%
Other Industrial Uses$5 millionVarious1-2 MT0.5%

Moles per kilogram

Product FormFormulaMW (g/mol)Moles/kg
Thallium MetalTl204.384.89
Thallium(I) AcetateTlC₂H₃O₂263.433.80
Thallium(I) BromideTlBr284.293.52
Thallium(I) ChlorideTlCl239.844.17
Thallium(I) SulfateTl₂SO₄504.831.98
Thallium(I) NitrateTlNO₃266.393.75
Thallium(I) IodideTlI331.293.02
Thallium(III) OxideTl₂O₃456.772.19

References

No citations on this page yet. References will appear here once enrichment runs.

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Coverage notes

The following sections are thin or absent in the source document for this element. They will be filled by enrichment passes (NIST atomic, OSHA/NIOSH safety, USGS / IAI environmental).