Understanding the fundamental chemical properties of organic compounds is crucial for their effective utilization in various industrial and research settings. 1-Bromo-1-Butyne, identified by its CAS number 50405-39-5, is one such compound that garners significant attention due to its versatile nature as a building block in organic synthesis. As a key pharmaceutical intermediate, its unique structural attributes make it invaluable for creating complex molecules.

The chemical identity of 1-Bromo-1-Butyne is defined by its molecular formula C4H5Br and a molecular weight of 132.98600. Physically, it presents as a light yellow liquid, a visual cue to its chemical composition and potential reactivity. Its physical characteristics, such as a density of 1.461 g/cm³ and a flash point of 21.683°C, are essential data points for chemists planning reaction conditions and safety protocols. The compound's high purity, with an assay of 97% minimum, underscores its suitability for demanding applications where trace impurities can significantly impact outcomes.

The primary application of 1-Bromo-1-Butyne lies in its role as a pharmaceutical intermediate. It serves as a foundational component in the synthesis of Active Pharmaceutical Ingredients (APIs). The strategic placement of a bromine atom on the butyne chain allows it to participate readily in a variety of organic reactions, including nucleophilic substitutions and coupling reactions. These transformations are critical for constructing the intricate molecular skeletons that form the basis of many therapeutic agents. Researchers and manufacturers seeking to buy 1-Bromo-1-Butyne benefit from its predictable reactivity, which can streamline complex synthesis pathways and improve yields. The availability of this compound from manufacturers in China, such as NINGBO INNO PHARMCHEM CO.,LTD., ensures a consistent supply for both laboratory research and large-scale production.

Beyond pharmaceuticals, 1-Bromo-1-Butyne finds application in the broader field of organic synthesis. It can be utilized to create novel materials, agrochemicals, and other fine chemical products. Its structure allows for diverse functionalization, making it a valuable tool for chemists pushing the boundaries of molecular design. For any research or production facility, sourcing this chemical requires careful consideration of supplier reliability and product specifications. A reputable supplier in China will provide not only the chemical itself but also the necessary documentation, including safety data sheets, to ensure its proper handling and use.

The importance of high-purity intermediates like 1-Bromo-1-Butyne cannot be overstated in modern chemical industries. Its consistent quality and predictable reactivity make it a preferred choice for projects demanding precision and efficiency. By understanding its chemical properties and application potential, scientists can effectively leverage this compound to drive innovation.