In the realm of fine chemicals, compounds with versatile functional groups are highly sought after for their adaptability in various synthetic pathways. 3-(1-Cyanoethyl)benzoic Acid, identified by its CAS number 5537-71-3, is one such compound, offering a unique combination of chemical reactivity that makes it valuable across multiple industries. This article explores its properties, chemical structure, and diverse applications, providing insight for chemists and procurement specialists seeking to understand and source this important molecule.

Chemical Structure and Properties

3-(1-Cyanoethyl)benzoic Acid (C10H9NO2) is an organic compound characterized by a benzoic acid core with a 1-cyanoethyl group attached at the meta position. Its molecular weight is approximately 175.18 g/mol. Typically appearing as a white to off-white powder, it exhibits a melting point in the range of 143-145°C. Its solubility in common organic solvents, such as DMSO and methanol, is moderate, while its water solubility is limited, as is common for aromatic carboxylic acids.

The presence of both a carboxylic acid (-COOH) and a nitrile (-C≡N) functional group imparts significant chemical versatility. The carboxylic acid group allows for reactions typical of organic acids, including salt formation, esterification, and amide formation. The cyanoethyl group, with its reactive nitrile, can be transformed into other functional groups, such as primary amines via reduction, or carboxylic acids via hydrolysis. This dual functionality makes it a prime candidate for complex organic synthesis, enabling chemists to introduce specific structural motifs into larger molecules.

Key Applications and Industrial Relevance

The primary industrial application of 3-(1-Cyanoethyl)benzoic Acid is as a pharmaceutical intermediate. It is a key precursor in the synthesis of ketoprofen, a widely prescribed nonsteroidal anti-inflammatory drug (NSAID) used for pain relief and reducing inflammation. The demand for ketoprofen directly drives the need for reliable sources of high-purity 3-(1-Cyanoethyl)benzoic Acid. Manufacturers producing this intermediate play a crucial role in the pharmaceutical supply chain.

Beyond its established role in pharmaceutical synthesis, this fine chemical also finds utility in:

• Agrochemical Research: Its reactive functional groups can be leveraged in the development of new pesticides or herbicides, contributing to advancements in agricultural science.
• Specialty Chemical Synthesis: Organic chemists utilize it as a building block for creating a diverse range of specialty organic compounds, tailored for specific industrial or research purposes.
• Material Science: In some advanced research contexts, such molecules can be explored for their potential in developing novel functional materials.

Sourcing and Quality Considerations

For businesses requiring 3-(1-Cyanoethyl)benzoic Acid, sourcing from reputable suppliers is essential. When you plan to buy, look for manufacturers who can consistently provide material with high purity (e.g., ≥99.0%) and detailed product specifications. Understanding the typical packaging (e.g., 25kg fiber drums) and the supplier's capacity to fulfill orders of various sizes is also important. Whether for small-scale R&D or large-scale industrial production, ensuring the quality and consistent availability of this fine chemical is key to successful outcomes.

In conclusion, 3-(1-Cyanoethyl)benzoic Acid (CAS 5537-71-3) is a strategically important fine chemical. Its dual functional groups and established role as a pharmaceutical intermediate, particularly for ketoprofen synthesis, underscore its industrial significance. Understanding its properties and applications allows for more informed sourcing decisions when looking to buy this versatile compound.