In the realm of fine chemicals, understanding the properties and sourcing channels for key intermediates is vital for research and industrial applications. 5-Chloro-2-fluorobenzoic acid (CAS 394-30-9) is one such compound that garners significant attention due to its versatile use in synthesis. This article aims to provide a detailed overview of its physical and chemical characteristics, its primary applications, and practical advice on how to source it, with a focus on suppliers from China.

What is 5-Chloro-2-fluorobenzoic Acid?

5-Chloro-2-fluorobenzoic acid is an organic compound with the molecular formula C7H4ClFO2 and a molecular weight of approximately 174.56 g/mol. It is a derivative of benzoic acid, distinguished by the presence of a chlorine atom at the 5-position and a fluorine atom at the 2-position of the benzene ring. Typically, it appears as a white powder, with a melting point ranging between 152-157 °C. Its density is reported around 1.477, and it has a boiling point of approximately 274.7 °C with a flash point of 120 °C.

Key Properties and Applications

The combination of chlorine and fluorine substituents on the aromatic ring makes 5-Chloro-2-fluorobenzoic acid a valuable synthon in organic chemistry. Its key properties that drive its utility include:

• Reactivity: The carboxylic acid group and the halogen substituents offer multiple sites for chemical modification, allowing for diverse synthetic pathways.
• Purity: It is generally available at high purities, often exceeding 99.0% by HPLC, which is critical for sensitive syntheses.
• Application Versatility:
• Pharmaceutical Intermediates: It serves as a crucial intermediate in the synthesis of various active pharmaceutical ingredients (APIs). Notably, it is used in the development of targeted therapies like kinase inhibitors, which are important in cancer treatment. The specific arrangement of halogens can enhance drug efficacy and binding affinity.
• Agrochemicals: This compound is also employed in the formulation of herbicides and pesticides, contributing to improved performance and selectivity in crop protection.
• Material Science: It finds applications in the synthesis of specialty polymers and electrolyte membranes, demonstrating its utility beyond life sciences.

Sourcing from China: Advantages and Considerations

For researchers and industrial buyers, China represents a significant source for 5-Chloro-2-fluorobenzoic acid. The advantages of sourcing from Chinese manufacturers often include:

• Competitive Pricing: Chinese chemical suppliers are known for offering cost-effective solutions, particularly for bulk orders.
• Production Capacity: Many manufacturers possess the infrastructure and expertise to produce chemicals on a large scale, from grams to tons, meeting diverse project needs.
• Established Supply Chains: The Chinese chemical industry has well-developed export networks, facilitating international procurement.

When you decide to buy 5-Chloro-2-fluorobenzoic acid from a Chinese supplier, it is essential to conduct due diligence. Look for manufacturers that provide:

• Certificates of Analysis (CoA): To verify purity and specifications.
• Material Safety Data Sheets (MSDS): For safe handling and storage information.
• Clear Communication: Responsive customer service and clear communication channels are vital for smooth transactions.
• Quality Management Systems: Suppliers adhering to international quality standards (e.g., ISO certifications) are often more reliable.

By focusing on these aspects, procurement specialists can secure a consistent and high-quality supply of 5-Chloro-2-fluorobenzoic acid, empowering their research and development initiatives.