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Buy chromium in the highest purity
Chromium products from ChemPUR: versatile forms, high purities and reliable quality for R&D and industry.
Our chromium range
Chromium products for science and industry
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Physical Properties
Melting Point
1,857.0°C
Boiling Point
2,672.0°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
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What purities is chromium available in?
At ChemPUR, chromium is available in several purity grades, enabling different requirements in research, development and technical applications to be covered. The range extends from grades starting at 99+% through 99.9%, 99.95% and 99.98% up to high-purity variants with 99.99% and 99.998%.
For applications with particularly stringent requirements, for example, chromium pieces with 99.998% as well as powders, foils and sputtering targets in grades up to 99.99% are available. Low-oxygen chromium granules with 99.98% complement the range for processes in which oxygen content plays an important role. Which purity is suitable depends on your application, the desired product form and the permissible impurities. We will be pleased to support you in selecting the appropriate grade.
Which chromium forms does ChemPUR offer?
ChemPUR offers chromium in various physical forms so that the material can be precisely matched to different process requirements. For powder-based applications, chromium powders are available in several particle sizes, including fractions below 160 µm, below 500 µm, as well as defined mesh grades.
If you require a coarser or more easily dosed form, chromium granules, electrolytic pieces or pieces in various dimensions are suitable. For applications with defined geometry, the range also includes chromium foils in 0.5 mm and 1 mm thickness as well as chromium rods with different diameters. For thin-film technology, chromium sputtering targets are available in various thicknesses and diameters. This allows the appropriate form to be selected specifically depending on particle size, geometry, surface and downstream processing.
Which chromium compounds are available?
In addition to elemental chromium, ChemPUR offers various chromium compounds for chemical, materials-science and technical applications. These include, among others, chromium borides, chromium carbides, chromium nitrides and chromium silicides.
For wet-chemical applications and synthesis processes, chromium halides such as chromium chlorides and chromium fluorides, as well as chromium nitrates, are available. Chromium(III) oxide is available in various grades, including as a nanopowder with an average particle size of 60 nm. For precursor and coordination chemistry, the range includes chromium(III) 2,4-pentanedionate. Depending on the compound class, reactivity, solubility, oxidation state and field of application differ. We will be pleased to help you select the right chromium compound for your application.
What applications is chromium used for?
In research and industry, chromium is primarily used where high hardness, corrosion resistance, defined coating properties or specific chemical reactivity are required. In materials science, chromium serves as a starting material for alloys, coatings and functional materials.
In thin-film technology, chromium sputtering targets are used to deposit thin chromium layers onto substrates. Powders, granules and pieces are suitable for metallurgical, thermal or preparative applications. Chromium compounds such as oxides, carbides, nitrides and borides are particularly relevant for ceramics, catalysis, coating technology and materials research. Which product form is best suited depends on the specific application—such as purity, particle size, geometry or compound class.
Does ChemPUR offer chromium nanopowder?
Yes, ChemPUR offers chromium nanopowder with an average particle size of 50 nm. The powder is coated with oleic acid and has a purity of 99.5%. It is described as a grey to black, approximately spherical powder.
In addition, chromium(III) oxide is available as a nanopowder with an average particle size of 60 nm. This variant is suitable for applications where oxidic chromium materials with a fine particle structure are required. Nanopowders are often chosen when a high specific surface area, fine dispersion or particular reactivity is the focus. In addition to particle size, surface area, morphology, purity and stabilisation are also relevant for selection.
Why is ChemPUR the right point of contact for chromium?
When procuring chromium, it is not only the availability of the material that matters. The decisive factors also include the appropriate purity, the suitable form, traceable specifications and expert advice. ChemPUR offers a broad chromium range—from powders, granules and pieces to foils, rods and sputtering targets, as well as specialised chromium compounds.
This provides research institutions, laboratory managers and development departments with a reliable source for a wide range of requirements. Our team supports you with questions regarding purity, product form, compound class, availability and special requirements. This way, you can select the chromium product that fits your process or research project.
Does ChemPUR offer low-oxygen chromium?
Yes, ChemPUR offers low-oxygen chromium for applications in which the oxygen content of the material plays an important role. Available, for example, are chromium granules in the 0.5–2 mm fraction with a purity of 99.98% and a maximum oxygen content of 300 ppm. Such grades are particularly relevant for processes in which oxidic impurities should be kept as low as possible.
These include, for example, metallurgical investigations, reactive syntheses, high-temperature processes or applications where a controlled material composition is required. Whether low-oxygen chromium is suitable for your application depends on the process conditions, the desired purity and the permissible oxygen limit. We will be pleased to support you in selecting the appropriate chromium grade.