Ensuring the quality and purity of chemical intermediates is critical, especially for demanding applications in the pharmaceutical and agrochemical industries. 2,3-Difluorobenzonitrile (CAS 21524-39-0), a key fluorinated aromatic compound, undergoes rigorous analytical characterization to guarantee its specifications meet the stringent requirements of researchers and manufacturers. Advanced spectroscopic techniques play a pivotal role in this quality assurance process.

Nuclear Magnetic Resonance (NMR) spectroscopy is a cornerstone in the structural elucidation of organic molecules. For 2,3-Difluorobenzonitrile, both ¹H and ¹³C NMR provide definitive information about the molecular structure, including the precise arrangement of hydrogen and carbon atoms. The presence of fluorine atoms introduces additional complexity through ¹H-¹⁹F and ¹³C-¹⁹F spin-spin coupling, offering valuable insights into the molecule's electronic environment and substitution patterns. Manufacturers utilize NMR data to confirm the identity and purity of each batch, ensuring that the material supplied is indeed 2,3-Difluorobenzonitrile and free from significant isomeric impurities.

Mass Spectrometry (MS) is another essential tool for confirming the molecular weight and elemental composition of 2,3-Difluorobenzonitrile. The molecule has a specific molecular weight (139.10 g/mol), and MS techniques, such as Electron Ionization (EI), can detect the molecular ion peak (M⁺•) at the corresponding m/z value. The fragmentation pattern observed in MS can also provide corroborative structural information. Coupled with Gas Chromatography (GC), MS is frequently used for purity analysis, allowing for the detection and quantification of even trace impurities.

Infrared (IR) and Raman spectroscopy are employed to study the vibrational modes of 2,3-Difluorobenzonitrile, providing fingerprint data that confirms its structure. The characteristic absorption bands associated with the C≡N stretching, C-F stretching, and aromatic ring vibrations are key identifiers. These vibrational spectra are routinely used by suppliers as part of their quality control protocols. When purchasing this compound, it's beneficial to work with suppliers who provide access to these analytical data, assuring you of the product's identity and purity.

As a dedicated manufacturer and supplier of fine chemicals, we prioritize stringent quality control measures. Our 2,3-Difluorobenzonitrile is characterized using advanced spectroscopic methods to ensure high purity and batch-to-batch consistency. We understand that reliable intermediates are crucial for your research and production success. If you are looking to buy 2,3-Difluorobenzonitrile, our commitment to analytical excellence guarantees you receive a product that meets your exacting standards.