For professionals engaged in the synthesis of agrochemicals or other fine chemical applications, understanding the precise technical specifications of raw materials is non-negotiable. 3,6-Dichloro-2-hydroxybenzoic Acid (CAS 3401-80-7) is a critical intermediate, and its properties dictate the success of downstream processes. This article delves into the key technical details that buyers, chemists, and formulators need to consider when sourcing this compound.

Chemical Identity and Properties: The compound, known chemically as 3,6-dichloro-2-hydroxybenzoic acid, possesses a molecular formula of C7H4Cl2O3 and a molecular weight of 207.01100. Its structure, a derivative of salicylic acid, features two chlorine atoms and a hydroxyl group on the benzene ring, imparting specific reactivity. Key physical and chemical properties often cited include a melting point around 195°C (with decomposition), a boiling point of approximately 306.7°C at 760 mmHg, and a density of 1.665 g/cm³. These parameters are crucial for process design and safety assessments. For instance, its flash point of 139.3°C provides important information for handling and storage protocols.

Purity and Quality Parameters: The industrial utility of 3,6-Dichloro-2-hydroxybenzoic Acid hinges on its purity. Reputable manufacturers typically guarantee an assay of ≥99.0%. Furthermore, a low loss on drying, usually specified as ≤0.5%, indicates minimal moisture content, which is vital for anhydrous reactions. The polar surface area (PSA) of 57.53000 and a LogP value of 2.39720 offer insights into its solubility and partitioning behavior, influencing formulation and reaction solvent choices. These detailed specifications are essential for R&D scientists and procurement specialists aiming to buy 3,6-Dichloro-2-hydroxybenzoic Acid that meets rigorous quality standards.

Appearance and Packaging: Visually, the compound is described as a white to light creamy powder. This consistent appearance is often an initial indicator of product quality. Standard packaging usually comes in 25kg drums, a common format for industrial chemical intermediates. However, flexibility in packaging design can be a key differentiator for suppliers, allowing them to cater to specific customer requirements, from smaller R&D quantities to bulk industrial orders. When looking for a manufacturer in China, confirming these packaging and handling details is important for seamless integration into your workflow.

Industrial Applications: The primary application for this compound is as a pesticide intermediate, specifically for the synthesis of the herbicide Dicamba (CAS: 1918-00-9). Its chemical structure is tailor-made for this conversion, making it an indispensable component in the agrochemical supply chain. Understanding these specifications ensures that when you purchase 3,6-Dichloro-2-hydroxybenzoic Acid, you are acquiring a material optimized for its intended industrial use, thereby enhancing the efficiency and outcome of your production processes.