In the complex world of chemical compounds, understanding the precise structure and properties of key intermediates is crucial for their effective utilization. 1,1,1,2,2-Pentafluoro-4-iodobutane, identified by its CAS number 40723-80-6, is one such compound. This fluorinated alkyl iodide is a valuable building block with applications spanning organic synthesis, material science, and pharmaceutical research. This article aims to elucidate its fundamental chemical characteristics.

The molecular formula of 1,1,1,2,2-Pentafluoro-4-iodobutane is C4H4F5I, with a molecular weight of 273.97. The structure features a four-carbon chain where the first three carbons are heavily fluorinated, with five fluorine atoms attached. The fourth carbon atom is bonded to an iodine atom. This specific arrangement of fluorine and iodine atoms imparts unique reactivity and physical properties to the molecule. The presence of fluorine atoms often enhances thermal stability and chemical inertness in certain contexts, while the iodine atom provides a reactive site for various chemical transformations.

Physically, 1,1,1,2,2-Pentafluoro-4-iodobutane is typically described as a liquid. Key physical parameters include its boiling point, which is reported to be around 100-101 °C, and its density, approximately 1.936 g/mL at 20 °C. These values are important for chemists when designing reaction conditions, purification methods, and storage protocols. The compound's refractive index, n20/D 1.391, is another characteristic property used for identification and quality assessment. As a chemical intermediate, its consistent availability and purity are essential, making it important to source from reliable suppliers, including many advanced manufacturers in China.

The chemical industry relies on compounds like CAS 40723-80-6 for the synthesis of a wide range of specialized products. Its utility in creating fluorous compounds and its role as a fluorinated building block underscore its importance. For researchers and manufacturers looking to purchase 1,1,1,2,2-Pentafluoro-4-iodobutane, understanding these fundamental properties is the first step towards harnessing its full potential in their respective fields.