For professionals in the chemical industry, a thorough understanding of the compounds they work with is essential for successful formulation and production. 2-Chlorobenzoic Acid (CAS 118-91-2) is one such compound that warrants detailed examination due to its broad utility. This article delves into the physical and chemical characteristics of 2-chlorobenzoic acid and explores its diverse applications, offering insights for procurement managers, R&D scientists, and formulators looking to leverage its capabilities. If you are considering where to purchase 2-chlorobenzoic acid, this guide will help you make an informed decision.

2-Chlorobenzoic acid, also known by its synonym o-chlorobenzoic acid, is primarily recognized by its appearance as a white to off-white crystalline powder. Its molecular formula is C7H5ClO2, with a molar mass of approximately 156.57 g/mol. Key physical properties include a melting point typically ranging from 139°C to 143°C and a boiling point around 285°C. These characteristics are crucial for determining its suitability for various manufacturing processes, especially those involving high temperatures or specific reaction conditions. The compound's solubility in organic solvents also enhances its ease of use in laboratory and industrial settings.

Chemically, 2-chlorobenzoic acid exhibits the reactivity of both a carboxylic acid and an aromatic halide. The carboxylic acid group allows it to undergo typical reactions such as salt formation, esterification, and amide formation. The chlorine atom attached to the benzene ring provides a site for nucleophilic substitution or participation in metal-catalyzed cross-coupling reactions, which are cornerstone techniques in modern organic synthesis. Its acidic nature (pKa of approximately 2.89) also plays a role in certain reactions and formulations.

The applications of 2-chlorobenzoic acid are extensive and span across several critical industries. In the pharmaceutical sector, it serves as a key intermediate in the synthesis of various drugs, including those with anti-inflammatory and analgesic properties. Its contribution to creating specific molecular architectures for APIs makes it highly valued. In the agrochemical domain, it is instrumental in the production of herbicides and pesticides, playing a vital role in crop protection and agricultural efficiency.

Beyond these primary uses, 2-chlorobenzoic acid also finds application in the creation of dyes and pigments, contributing to the vibrant colors seen in textiles and other materials. Furthermore, it is employed in research laboratories as a reagent for developing novel organic compounds and exploring new synthetic methodologies. For any of these applications, securing a reliable supply of high-purity 2-chlorobenzoic acid is essential.

When sourcing 2-chlorobenzoic acid, particularly from manufacturers in China, it is important to look for suppliers who can provide a consistent assay of 98.5% or higher. Competitive 2-chlorobenzoic acid price is also a significant consideration for bulk purchases. We pride ourselves on being a trusted manufacturer and supplier, offering high-quality CAS 118-91-2 with comprehensive documentation. We invite you to contact us to learn more about our product and to request a quote for your specific needs.