Phenanthrene-9-carboxaldehyde, a chemical compound identified by CAS number 4707-71-5, represents a fascinating intersection of polycyclic aromatic hydrocarbons and reactive aldehydes. Its distinct molecular structure, featuring a phenanthrene backbone with a formyl group at the 9-position, imbues it with properties that make it highly valuable across several scientific and industrial sectors. Understanding these properties and applications is key for researchers and procurement specialists looking to leverage this versatile intermediate.

Physically, Phenanthrene-9-carboxaldehyde is typically described as a pale yellow powder. Its melting point is generally reported in the range of 100-103 °C, indicating a stable solid form at ambient temperatures. Chemically, it is soluble in common organic solvents such as acetone, dichloromethane, and methanol, which facilitates its use in various reaction media. A crucial characteristic noted from its handling information is its sensitivity to air, often requiring storage under an inert atmosphere, such as nitrogen or argon, to maintain its integrity and reactivity. This sensitivity is a common trait for aldehydes and highlights the need for proper storage and handling protocols when purchasing and using this chemical.

The primary applications of Phenanthrene-9-carboxaldehyde are rooted in its utility as a precursor and building block. It is prominently used in the synthesis of fluorescent probes. The phenanthrene moiety itself can exhibit fluorescence, and the aldehyde group allows for conjugation with other molecules, creating sophisticated sensing agents. This makes it invaluable for companies involved in the production of diagnostic reagents or advanced analytical tools. Beyond fluorescent probes, it serves as a vital intermediate in general organic synthesis, enabling the creation of more complex molecules. This includes its use in materials science, particularly in research related to organic electronics and OLEDs, where its conjugated system can contribute to desirable optoelectronic properties.

For procurement professionals and research scientists, sourcing this compound requires attention to detail. When you aim to buy Phenanthrene-9-carboxaldehyde, identifying a reliable Phenanthrene-9-carboxaldehyde supplier is essential. This involves checking for product purity (often specified as >97%), understanding the supplier's manufacturing origin, and comparing price points. The CAS 4707-71-5 manufacturer’s commitment to quality control and data provision, such as Certificates of Analysis, is critical for ensuring the compound's suitability for sensitive applications.

Furthermore, its role in coordination chemistry as a ligand for metal complexes, and its potential as an intermediate in pharmaceutical synthesis, underscore its broad utility. For those looking to source this chemical, particularly from manufacturers in China, thorough research into the supplier’s capacity and quality assurance practices is recommended.

In essence, Phenanthrene-9-carboxaldehyde (CAS 4707-71-5) is a chemical of significant value due to its physical and chemical properties and its diverse applications in research and industry. Ensuring a stable supply of high-purity material from a trusted Phenanthrene-9-carboxaldehyde manufacturer is key to unlocking its full potential in scientific innovation.