For chemists and material scientists, a thorough understanding of a chemical compound's properties is fundamental to its effective utilization. 6-bromonaphthalene-2-carbaldehyde, with its CAS number 170737-46-9, is a prime example of an intermediate whose specific characteristics dictate its suitability for various synthetic pathways and applications, particularly in the development of electronic materials. This article aims to illuminate these key properties, ensuring users can leverage this compound with maximum efficiency.

Physically, 6-bromonaphthalene-2-carbaldehyde typically appears as a white to light yellow crystalline powder. This solid form makes it relatively easy to handle and store under appropriate conditions. Its melting point, commonly cited in the range of 125.0 to 130.0 °C, indicates a stable compound at room temperature. The density is recorded at approximately 1.552 g/cm³, providing important information for volumetric calculations in synthesis. Proper storage, often recommended under an inert atmosphere at room temperature, helps maintain its purity and reactivity over time.

Chemically, the molecule's formula, C11H7BrO, and its molecular weight of 235.08 g/mol, are essential for stoichiometric calculations. The presence of the naphthalene aromatic system provides a rigid and electron-rich core. The aldehyde functional group (-CHO) is highly reactive, readily participating in nucleophilic addition, oxidation, and reduction reactions. The bromine atom attached to the naphthalene ring is a key feature, serving as an excellent site for various coupling reactions, such as Suzuki-Miyaura coupling or Sonogashira coupling. These reactions are critical for building complex organic structures and conjugated systems, which are vital for applications in fields like OLEDs and other organic electronics.

The purity of 6-bromonaphthalene-2-carbaldehyde is paramount for successful synthesis outcomes. Suppliers like NINGBO INNO PHARMCHEM CO.,LTD. typically offer this compound with high purity levels, often exceeding 97% or 98% as confirmed by techniques like Gas Chromatography (GC). This high purity minimizes side reactions and ensures the integrity of the final product. Researchers looking to buy this intermediate should always check the provided specifications to ensure it meets their project's demands.

By understanding these physical and chemical properties, chemists can effectively plan and execute synthetic strategies involving 6-bromonaphthalene-2-carbaldehyde, whether for laboratory-scale research or industrial-scale production. This knowledge empowers better decision-making in experimental design and material development, ultimately driving progress in chemical innovation.