Question 1

Why is ChemPur the right partner for indium laboratory supplies?

Accepted Answer

ChemPUR has specialised in high-purity metals, fine chemicals and specialty materials for research, development and industry for decades. The predecessor company was established as early as 1988 in the environment of the Heraeus Group; since 1996 we have operated as an independent GmbH with a focus on high-purity materials for demanding applications. Today, we are among the established suppliers of research materials, high-purity metals and inorganic specialty chemicals.

High-purity indium products for research & technology

Our customers from research institutions, universities, development departments and industry benefit from a broad supply programme, personal advice and high materials expertise. We supply high-purity indium in numerous forms – from powder and granules to foils, wires and rods, through to sputter targets, evaporation materials and special indium compounds. Depending on the product group, purities up to 99.9999% are available.

Especially in fields such as thin-film technology, materials research, semiconductor technology, analytics or vacuum technology, defined purities and reproducible material properties are crucial. That is why we actively support our customers in selecting suitable purity grades, particle sizes, material forms and dimensions – tailored to the respective application and the process used.

Custom products & contract syntheses as required

A particular advantage for research and development laboratories is our flexibility. In addition to our standard supply programme, we also offer custom products, special forms and individual cut-to-size pieces. According to the company brochure, application-related contract syntheses and special alloys are explicitly among our specialties – including small quantities. This enables us to support many requirements that are often not covered by standard suppliers.

We also have extensive experience in the field of PVD thin-film technology. We supply our evaporation materials and sputter targets in various forms and qualities. In addition, we manufacture targets by casting or powder metallurgy to customer-specific specifications and also offer metal bonding as well as the manufacture of backing plates.

Flexible procurement & personal service

In addition, our customers benefit from short coordination paths, personal contact and the flexibility of a specialised medium-sized company. Thanks to our international dealer network, we can provide almost all materials worldwide and offer flexible solutions even for special procurement requirements. Especially for demanding research and development projects, this combination of material quality, experience and technical advice is a decisive advantage for many customers.

Question 2

How does high-purity indium differ from other materials?

Accepted Answer

High-purity indium is a chemical element and a silvery, lustrous metal with characteristic physical properties. Compared to standard materials or technically produced metals, high-purity indium is primarily characterised by particularly low impurities and precisely controlled material parameters. For research, analytics, thin-film technology and modern laboratory technology, defined purities are crucial, as even the smallest traces of foreign substances can influence electrical, thermal or optical effects.

ChemPUR offers indium products in purities from 99.9% to 99.9999%. The respective purity is specified product-specifically and supports reproducible conditions in scientific and industrial processes. High-purity indium is used particularly in materials research, semiconductor technology or vacuum technology to enable stable process conditions and reliable characterisation of materials. By reducing interfering accompanying substances, measurement results and material properties can be assessed more precisely.

A further advantage is the material’s good malleability. Indium has a comparatively low melting point and can therefore be processed and further worked well. This makes the metal suitable, among other things, for sputter targets, evaporation materials, thermal interfaces or special metal-based applications. ChemPUR supplies a broad range of different forms for this purpose, including foils, wires, rods, granules, powdered material, ingots and sputter targets.

Custom indium solutions for research & industry

In addition, high-purity indium is used in research and development projects to explore new material systems or to investigate selected chemical and physical properties in a targeted manner. High material quality also plays an important role in obtaining reproducible results. The materials produced support applications where defined purities and short coordination paths in procurement and consulting are important.

ChemPUR supports research institutions, development departments and industrial companies in selecting suitable indium products for individual requirements. In addition to standard forms, custom products, individual cut-to-size pieces and customer-specific solutions are also possible. Thanks to decades of experience in the field of high-purity chemicals and specialty metals, customers benefit from expert advice and a broad supply programme. Statements on the toxicity of individual applications or compounds must always be assessed on an application-specific basis.

Question 3

In which forms does ChemPur sell indium?

Accepted Answer

We offer indium as a pure metal as well as in selected indium compounds and alloys for chemistry, research, development and industrial applications. We supply elemental indium under CAS number 7440-74-6. You can obtain it from us in many delivery forms: as powder, shot or granules, pieces, ingots, wires, rods, sputter targets and indium foil.

We offer particularly versatile options for foils and wires. Indium foil is available in thicknesses from 0.05 mm to 2 mm. We supply indium wires in various diameters, including from 0.25 mm to 3.0 mm. Depending on the product, purities up to 99.9999% are specified. We will clarify the appropriate quantity, packaging and possible delivery times as part of your sales enquiries.

For coatings and PVD processes, we supply indium sputter targets in various thicknesses, diameters and purities. We also offer evaporation materials for applications in thin-film technology, materials research and laboratory technology.

Specialty chemicals & high-purity indium materials

In addition, our range includes indium compounds such as indium oxide, indium hydroxide, indium phosphide, indium selenide, indium telluride, indium(III) chloride, indium(III) bromide, indium(III) iodide, indium(III) nitrate hydrate, as well as indium tin oxide, also known as ITO. Selected organic or organometallic substances such as indium-thd are also listed.

For applications involving soldering, assembly, low temperatures or fusible alloys, we also offer indium-containing alloys, such as gallium–indium–tin and indium/bismuth. Such materials can be of interest when a soft, easily deformable or low-melting metal is required, for example in research, laboratory technology or power electronics.

Indium belongs to Group 13 of the chemical elements. Natural occurrences are rare; however, for your order it is primarily decisive which purity, form, packaging and quantity suit your process. We support you with expert advice, short coordination paths and individual options – including when special forms, cut-to-size pieces or customer-specific solutions are required.

Question 4

Which quality standards does ChemPUR's indium meet?

Accepted Answer

With high-purity indium, purity, material quality and reproducible properties often determine the reliability of an entire research or development process. That is why ChemPUR places great value on controlled quality standards and close coordination with our customers from research, development and industry. ChemPUR has been ISO 9001 certified since 2011 and now operates in accordance with the ISO 9001:2015 quality management system. This supports structured processes, traceable quality controls and a high level of reliability in consulting, procurement and delivery.

Depending on the product group, we offer indium in purities up to 99.9999%. Especially in fields such as thin-film technology, semiconductor technology, materials research or analytical chemistry, high purities are crucial, as even the smallest impurities can influence electrical, thermal or optical properties.

Our supply programme includes high-purity metals, evaporation materials, sputter targets, nanopowders as well as inorganic and organometallic specialty chemicals. According to the company brochure, we supply our materials, among other forms, as powders, granules, foils, wires, rods, ingots and sputter targets – also as custom products. We also support our customers in selecting suitable purity grades, particle sizes and material forms. Especially for demanding research and development projects, many laboratories benefit from our many years of experience, expert advice and individual solutions.

Question 5

What applications does high-purity indium have?

Accepted Answer

High-purity indium is used in numerous research, development and industrial applications – especially wherever defined material properties, high purities and reproducible processes are required. For many research institutions, universities, development departments and high-tech applications, indium is therefore an important material within modern materials and thin-film technologies: Our range also includes numerous indium compounds for specialised applications. These include, among others, indium oxides, nanopowders, indium phosphide, indium selenide, indium telluride, as well as various halides and sulfates. Such materials are used, among other things, in semiconductor research, nanotechnology, thin-film technology or scientific development projects. Which indium form and which purity make sense for your application depends heavily on the respective process, the desired material property and the field of use. That is why we support our customers not only with a broad supply programme, but also with expert advice in selecting suitable materials, dimensions and purities. Especially for demanding research and development projects, many customers benefit from our experience in the field of high-purity specialty metals and fine chemicals.

Question 6

Which indium form is suitable for my laboratory?

Accepted Answer

Which indium form is suitable for your laboratory depends primarily on your process, the desired material properties and the respective field of use. We support research institutions, development departments and industrial users in selecting the appropriate form with regard to purity, dimensions, processing and general material requirements.

For chemical syntheses, analytical applications or material investigations, indium powders, granules or shot, or pieces are often used. These forms are suitable, among other things, for laboratory processes in which materials are dosed, processed or further investigated. Indium oxide and nanopowders are also used in research, materials science and the dynamic development of new materials.

Indium foils, targets & special alloys

In thin-film technology and coatings, high-purity foils, evaporation materials or sputter targets are preferred instead. Indium foils are suitable, for example, for thermal contacting, vacuum applications or special research setups. Wires and rods are often used when a soft and easily deformable metal is required, for example in electronic applications or special manufacturing processes.

We also offer indium-containing alloys for applications at low temperatures or for fusible systems. Some of these materials can become liquid comparatively early under certain conditions. This can be of interest, for example, for assembly, contacting or research applications.

Indium for research, analytics & special processes

Indium belongs to Group 13 of the chemical elements. Natural occurrences are rare; the metal is typically not extracted as a standalone mineral, but is usually obtained as a by-product during the processing of other raw materials. For laboratory applications, however, it is primarily decisive which purity and form provide the desired properties and how stable the material can be used within the respective process.

Depending on demand, we offer different dimensions, purities and packaging units. In addition, on request we also review special forms, cut-to-size pieces or customer-specific solutions. Especially for unknown or new research approaches, many customers benefit from our experience in the field of high-purity specialty metals and chemicals.

A direct similarity between individual indium forms cannot be stated in general terms, as powders, foils, wires or targets are each optimised for different applications. Use with acids or other chemical media should also always be assessed on an application-specific basis. If requirements change or shift at short notice during a project, we will be pleased to support you in selecting suitable alternatives within our supply programme.

Indium laboratory supplies for research & technology

Indium in many forms & purities

Gallium indium tin eutectic alloy (Ga66:In20.5:Sn13.5 wt%)/ m.p. <15°C/ 99.99+%

Gallium Indium Tin eutectic alloy (Ga66:In20.5:Sn13.5 wt%)/ m.p. <15°C/ 99.99+%

Gallium Indium Tin eutectic alloy (Ga66:In20.5:Sn13.5 wt%)/ m.p. 15°C/ 99.99+%

Indium Powder +2% MgO, 200 micron/ 99.999%

Indium Powder + 2% MgO, 200 micron/ 99.99%

Indium Powder 45 micron/ 99.999%

Indium Powder 45 micron/ 99.999%

Indium Shot 1-5 mm/ 99.99%

Indium Shot 1–5 mm / 99.99%

Indium Shot 1–5 mm / 99.99%

Indium Shot 1–5 mm/ 99.999%

Indium Shot 1-5 mm/ 99.999%

Indium Shot 1–5 mm/ 99.999%

Indium Shot 1-5 mm/ 99.9999%

Indium Pieces / 99.999%

Indium Pieces / 99.999%

Indium Shot 1-5 mm / 99.9999%

Indium Shot 1-3 mm/ 99.9999%

Indium Shot 1-3 mm/ 99.9999%

Indium Shot 1-5 mm/ 99.9999%

Indium Shot 1-3 mm/ 99.9999%

Indium Bar/ 99.999%

Indium Foil 0.05 mm/ 99.995%/ (approx. 3.65 g/100×100 mm)

Indium Foil 0.05 mm/ 99.995%/ (approx. 0.91 g/50×50 mm)

Indium Foil 0.05 mm/ 99.995%/ (approx. 0.23 g/25×25 mm)

Indium Foil 0.1 mm/ 99.995%/ (approx. 0.46 g/25×25 mm)

Indium Bar/ 99.9999%

Indium Foil 0.1 mm/ 99.999%/ (approx. 1.83 g/50×50 mm)

Indium Foil 0.1 mm/ 99.999%/ (approx. 7.31 g/100×100 mm)

Indium Foil 0.1 mm/ 99.999%/ (approx. 14.6 g/100×200 mm)

Indium Foil 0.1 mm/ 99.995%/ (approx. 1.83 g/50×50 mm)

Indium Foil 0.1 mm/ 99.995%/ (approx. 7.31 g/100×100 mm)

Indium Foil 0.125 mm/ 99.99%/ (approx. 2.28 g/50×50 mm)

Indium Foil 0.25 mm/ 99.99%/ (approx. 9.13 g/50×100 mm)

Indium Foil 0.125 mm/ 99.99%/ (approx. 9.13 g/100 x 100 mm)

Indium Foil 0.20 mm/ 99.999%/ (approx. 0.91 g/25×25 mm)

Indium Foil 0.25 mm/ 99.99%/ (approx. 4.57 g/50×50 mm)

Indium Foil 0.20 mm/ 99.999%/ (approx. 3.65 g/50×50 mm)

Indium Foil 0.125 mm/ 99.99%/ (approx. 18.3 g/100×200 mm)

Indium Foil 0.125 mm/ 99.99%/ (approx. 4.56 g/50×100 mm)

Indium Foil 0.25 mm/ 99.99%/ (ca. 36.5 g/100×200 mm)

Indium Foil 0.25 mm / 99.99% / (approx. 18.3 g/100×100 mm)

Indium Foil 0.25 mm / 99.999% / (approx. 4.57 g / 50 x 50 mm)

Indium Foil 0.5 mm / 99.99% / (approx. 18.3 g / 50×100 mm)

Indium Foil 0.25 mm/ 99.999%/ (approx. 18.3 g/100×100 mm)

Indium Foil 0.25 mm/ 99.999%/ (approx. 36.5 g/100 x 200 mm)

Indium Foil 0.5 mm/ 99.99%/ (approx. 9.13 g/50×50 mm)

Indium Foil 0.5 mm/ 99.99%/ (approx. 73 g/100×200 mm)

Indium Foil 0.5 mm/ 99.99%/ (approx. 36.5 g/100×100 mm)

Indium Foil 0.5 mm/ 99.999%/ (approx. 36.5 g/100×100 mm)

Physical Properties

Frequently Asked Questions

Why is ChemPur the right partner for indium laboratory supplies?

How does high-purity indium differ from other materials?

In which forms does ChemPur sell indium?

Which quality standards does ChemPUR’s indium meet?

What applications does high-purity indium have?

Which indium form is suitable for my laboratory?