Understanding the fundamental properties of chemical compounds is the bedrock of successful research and development. 1,7-Dichloroheptan-4-one, identified by CAS number 40624-07-5, is no exception. This organic compound, characterized by its specific molecular structure, offers a unique set of chemical and physical attributes that dictate its utility and handling.

Physically, 1,7-dichloroheptan-4-one typically presents as a beige to brown oil. Its density is approximately 1.116 g/cm³, and it exhibits slight solubility in common organic solvents like chloroform and methanol. These properties are critical considerations for storage, transportation, and its behavior in various reaction media. The presence of chlorine atoms and a ketone group influences its polarity and reactivity, making it an interesting subject for chemical studies.

The synthesis of 1,7-dichloroheptan-4-one is achieved through several routes, each with its own advantages and challenges. A common method involves the reaction of heptan-4-one with sulfuryl chloride under neat conditions, often yielding good results with high atom economy. Another approach utilizes copper catalysis, which can offer improved selectivity in certain chlorination reactions. Research into optimizing these synthesis pathways is ongoing, with a focus on increasing yield, purity, and sustainability.

Purification is a key step to ensure the efficacy and reliability of 1,7-dichloroheptan-4-one for its intended applications. Techniques such as column chromatography and high-performance liquid chromatography (HPLC) are routinely employed to isolate the compound from reaction byproducts. The ability to achieve high purity is essential, especially when it is used as a pharmaceutical intermediate, where strict quality control is paramount. The price of high-purity material often reflects the complexity of these purification processes.

Spectroscopic analysis provides invaluable confirmation of the compound's structure and purity. Proton and carbon-13 Nuclear Magnetic Resonance (NMR) spectroscopy reveal characteristic signals corresponding to the different hydrogen and carbon environments within the molecule. Mass spectrometry (MS) helps determine its molecular weight and fragmentation patterns, while infrared (IR) spectroscopy confirms the presence of key functional groups like the carbonyl and C-Cl bonds. Access to reliable spectroscopic data is crucial for any scientist working with this compound.

For those seeking to buy 1,7-dichloroheptan-4-one, it is important to source it from manufacturers and suppliers who can guarantee its quality and provide comprehensive technical data. The price will vary depending on the grade and quantity, but investing in a reliable source ensures that your research or production efforts are not compromised by impurities or inconsistent material.