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Tellurium in the highest purity for research
High-purity tellurium in various forms and specifications – ideal for research, development, and modern materials technology.
High-purity tellurium for every application
Our tellurium range for laboratory & industry
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Physical Properties
Melting Point
449.6 °C
Boiling Point
990.0 °C
Frequently Asked Questions
Our FAQs provide you with a quick overview of important topics related to our product range. If you have any further questions, we will of course also be happy to assist you personally.
Purchasing / Sales
We will be happy to advise you individually
Why is ChemPUR the right partner for tellurium?
When the highest demands are placed on quality, purity, and availability, ChemPUR is your reliable partner for the procurement of tellurium. We supply tellurium in purities up to 99.99999% and thereby create the foundation for precise, reproducible results – both in research and in industrial high-end applications.
Our commitment, however, extends beyond mere provision: we see ourselves as a technical partner. Thanks to our broad product range, you receive tellurium in exactly the form your application requires – from fine powders to pieces and zone-refined ingots through to specific compounds and evaporation materials. Particularly in demanding projects, you benefit from our in-depth expertise in fine chemistry and materials science. We provide targeted support for applications such as semiconductor development, thin-film technology (e.g., vapor deposition processes), materials research, or precise syntheses and analytical procedures.
As a company certified to ISO 9001:2015, we stand for verified quality and reliable processes. At the same time, our international dealer network ensures high availability and security of supply – even for rare or specific materials. ChemPUR thus combines the highest material quality, technical understanding, and personal service – for collaboration on equal terms.
Which particle sizes does ChemPUR offer for tellurium powder?
ChemPUR offers tellurium powder in various particle sizes to meet different requirements in research and industry. These include, among others, fine powders with -200 mesh, -30 mesh, or particle sizes below 250 µm. This diversity enables precise adaptation to your application – for example, for syntheses, materials development, or analytical processes. Finer powders are particularly suitable for reactive processes and homogeneous mixtures, while coarser fractions can be used specifically in particular technical applications. In addition, we offer various purity grades up to 99.999%. This ensures that you receive the appropriate material both for standard applications and for highly sensitive research projects.
Is tellurium suitable for semiconductor applications?
Yes, tellurium is an important material for semiconductor and photonics applications. Due to its physical and chemical properties, it is frequently used in materials research as well as in the development of modern technologies. ChemPUR supplies tellurium in high-purity and ultra-high-purity grades that are specifically suitable for sensitive applications such as semiconductor technology. Purities up to 99.99999% enable stable and reproducible results in demanding processes. Furthermore, we also provide tellurium as evaporation material or in zone-refined form, which is particularly important for thin-film technologies and electronic applications. In this way, you receive materials that are precisely tailored to your technical requirements.
Which tellurium compounds does ChemPUR provide?
In addition to elemental tellurium, ChemPUR also offers a selection of high-quality tellurium compounds. These include in particular halides such as tellurium bromide (TeBr₄) and tellurium chloride (TeCl₄) in different purity grades. Additionally, we carry tellurium oxides such as tellurium dioxide (TeO₂), which is available in high-purity quality for research and technical applications. These compounds are used, among other things, in analytics, materials research, and chemical synthesis. Through our broad portfolio, you receive both elemental tellurium and compounds based on it from a single source. This simplifies procurement and ensures consistent quality in your processes.
What is tellurium used for in research?
Tellurium is used in research in a variety of ways – primarily in materials science, chemistry, and physics. Typical areas of application are the development of new materials, semiconductor research, as well as analytical and synthetic processes. Tellurium also plays an important role in thin-film technology, for example in vapor deposition processes. It is likewise used in photonics and in the development of innovative technologies. ChemPUR supports research institutions and development departments with precisely specified tellurium materials that are tailored to the respective requirements. In this way, we create the foundation for reliable and reproducible results in your projects.
Does ChemPUR offer tellurium in powder form?
Yes, ChemPUR offers tellurium in powder form in various versions. Our range includes different particle sizes and purity grades, so that you can select the appropriate material for your application. Tellurium powder is particularly in demand for syntheses, materials development, and analytical applications. Due to its fine structure, it is easy to process and enables homogeneous reaction conditions. We supply tellurium powder in purities from 99.8% up to 99.999%. This allows us to cover both standard requirements and highly specialized applications.
Is consultation on the selection of tellurium possible?
Yes, expert consultation is a central component of our service offering. Particularly with complex materials such as tellurium, the selection of the correct form, purity, and specification is decisive for project success – because even small deviations can significantly influence the material properties and thus your results.
Purity has a direct influence on electrical conductivity and defect structure, which is particularly critical in semiconductor or photonics applications. Particle size, in turn, determines reactivity and surface behavior – a decisive factor in syntheses or analytical procedures. The material form (e.g., powder, pieces, ingots, or evaporation material) also influences processability, for example in vapor deposition processes or in further processing.
We support you in optimally aligning precisely these parameters to your application – whether for thin-film technologies, materials development, or precise laboratory analyses. In doing so, you benefit from our many years of expertise and our close collaboration with customers from research and industry. Whether standard product or individual custom fabrication: we accompany you from selection through to delivery and ensure that your tellurium matches your requirements exactly.