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High-purity iodine for research & industry
Iodine & iodine compounds in certified purity up to 99.999%. For synthesis, analysis & research – with expert advice and reliable delivery.
High-purity iodine for precise applications
Iodine & iodine compounds for laboratory and industry
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Physical Properties
Melting Point
113.5°C
Boiling Point
184.4°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 purchasing iodine?
We offer you iodine not just as a product, but as a sophisticated solution for your application. Our portfolio includes elemental iodine as well as selected iodine compounds in various purity levels – from standard quality to high-purity variants with up to 99.999%. We impress with our combination of quality, availability, and technical expertise. As an ISO 9001:2015 certified company, we ensure consistent product quality and traceable processes. At the same time, you benefit from our international network, which guarantees a reliable supply. We are at your side to provide advice, especially for demanding applications. We support you in selecting the appropriate iodine form and specification and develop individual solutions if required – so that you receive exactly the material your processes require.
What role does iodine play in synthesis?
Iodine is a versatile reaction partner in chemical synthesis and is used specifically to control or enable reactions. In organic chemistry in particular, it serves as a reagent for halogenation reactions and as a component of special reaction systems. Due to its chemical properties, iodine can be precisely dosed and controlled, making it particularly suitable for reproducible synthesis processes.
Iodine compounds such as iodine trichloride are also used in analytical and synthetic procedures, for example in the determination of double bonds. For optimal results, the correct purity is crucial. We support you in selecting the right product – tailored to your reaction, your process conditions, and your quality requirements. In this way, iodine becomes a reliable building block of your synthesis strategy.
Is iodine also available in crystal form?
Yes, iodine is also available from us in crystalline form – primarily as resublimed iodine crystals with very high purity. These products reach purities of up to 99.999% and are therefore suitable for particularly demanding applications in research and analysis. Resublimed iodine is characterized by particularly high purity, as it is prepared through an additional purification process. This minimizes impurities, which is crucial for precise measurement results and controlled reactions. Depending on the application, we offer different qualities and container sizes. We would be happy to advise you on which variant is the best choice for your specific use – from standard laboratory applications to highly sensitive research projects.
What is iodine used for in research?
Iodine is used in research in numerous fields. It is primarily used in chemical analysis, synthesis, and materials development. Due to its versatile properties, it is suitable both as a reagent and as a component of complex compounds. In analysis, iodine is used, among other things, to determine certain classes of substances. In chemical research, it serves as a starting material or reaction partner in a wide variety of synthesis processes. Iodine also plays an important role in pharmaceutical and chemical research projects. At ChemPUR, we support you in finding the right iodine product for your application. With our wide range and experience, we ensure that you receive the right quality and form of iodine for your research requirements.
Which iodine compounds does ChemPUR offer?
In addition to elemental iodine, our range includes selected inorganic iodine compounds. These include iodic acid (HIO₃), iodine pentoxide (I₂O₅), and iodine trichloride (ICl₃), which is used, for example, as Wijs reagent. These compounds cover a wide range of applications – from oxidation reactions to analytical procedures and special chemical processes. Through different degrees of purity, we can serve both standard applications and demanding research projects. Should you require a specific compound or specification, we will be happy to support you in procurement or the development of individual solutions. This ensures you receive exactly the product that optimally fits your application.
What are the advantages of high-purity iodine?
High-purity iodine is the basis for precise and reproducible results in research and industry. Impurities can influence chemical reactions or distort analytical measurements – especially in sensitive applications. With purities up to 99.999%, our products offer maximum control over your processes. This is particularly relevant in analysis, in the development of new materials, or in complex syntheses where even the smallest deviations can be decisive. Furthermore, high-purity iodine contributes to process reliability and reduces unwanted side reactions. We would be happy to advise you on which purity level makes sense for your application – tailored to your requirements and your budget.
In which forms is iodine available?
Iodine is available at ChemPUR in various forms to meet different requirements. These include elemental iodine as a powder or in crystalline form, as well as specific compounds in different physical states, such as granules or solids. This variety allows you to specifically select the appropriate form for your application – whether for synthesis processes, analytical procedures, or industrial applications. Depending on the product, different container sizes are available, from small laboratory quantities to larger units. We support you in selecting the right form with our experience and technical advice. In this way, we ensure that you receive a product that optimally fits your processes and can be used reliably.