4-Methylphthalic Acid, a compound with the CAS number 4316-23-8, is more than just a chemical formula; it's a critical component in various industrial syntheses, most notably in the agrochemical sector. This article aims to provide a comprehensive overview of its key properties and the diverse applications that make it a sought-after chemical intermediate.

The physical characteristics of 4-Methylphthalic Acid are notable for their stability and consistency. It presents as white crystals, a testament to its high purity, with a specified assay typically exceeding 99.0%. Its density is recorded at 1.4±0.1 g/cm³, and it exhibits a melting point within the range of 146-148 °C. The compound’s stability is further evidenced by its relatively high boiling point and flash point, indicating safe handling procedures can be implemented during its use. The exact mass is 180.042252, with a polar surface area (PSA) of 74.60000 and a LogP value of 1.27, which offer insights into its solubility and potential reactivity patterns in different chemical environments.

The primary application of 4-Methylphthalic Acid is its function as a pesticide intermediate. It is specifically utilized in the synthesis of the herbicide Imazamethabenz-Methyl, a critical product for modern farming. This process involves intricate chemical transformations where the structural features of 4-Methylphthalic Acid are key to forming the desired active ingredient. The reliance of the agrochemical industry on this compound highlights the importance of consistent quality and supply from manufacturers. Companies that produce pesticide intermediates are therefore essential partners in ensuring agricultural productivity.

The chemical industry, particularly in regions like China, has developed significant expertise in producing high-quality chemical intermediates. NINGBO INNO PHARMCHEM CO.,LTD. exemplifies this, focusing on delivering products that meet rigorous specifications. The availability of such compounds from reliable suppliers is crucial for research and development, as well as for large-scale manufacturing of agricultural products. Understanding the properties of 4-Methylphthalic Acid allows chemists and product developers to optimize synthesis routes and ensure the efficacy of the final agrochemical formulations, ultimately contributing to global food security.