In the intricate world of chemical synthesis, certain compounds stand out for their versatility and critical role in producing essential downstream products. 1,3-Dicyanobenzene (CAS 626-17-5), also known as isophthalonitrile, is one such compound. Its unique chemical structure and properties make it an indispensable intermediate for a range of high-value applications, from agricultural chemicals to advanced materials. For R&D scientists and product formulators, understanding these aspects is key to leveraging its full potential.

Chemical and Physical Profile of 1,3-Dicyanobenzene

1,3-Dicyanobenzene typically presents as an off-white to white crystalline solid. Its key physical characteristics include:

  • Molecular Formula: C8H4N2
  • Molecular Weight: Approximately 128.13 g/mol
  • Melting Point: Typically in the range of 163-165°C. This relatively high melting point indicates a stable crystalline structure.
  • Assay: High purity is usually a standard, with assays often exceeding 99% (GC), minimizing unwanted side reactions in sensitive syntheses.
  • Solubility: While largely insoluble in water, it shows solubility in various organic solvents, facilitating its use in different reaction media.

These properties are critical for its handling, storage, and application in industrial settings. As a supplier in China, ensuring these specifications are consistently met is a primary objective.

Diverse Industrial Applications

The utility of 1,3-Dicyanobenzene spans several key industrial sectors:

  1. Agrochemicals: Its most significant application is as a precursor for the synthesis of chlorothalonil, a highly effective broad-spectrum fungicide used globally to protect crops from fungal diseases. This makes 1,3-Dicyanobenzene a vital component for food security and agricultural productivity.
  2. Polymers and Synthetic Fibers: The compound serves as an intermediate in the production of various polymers and synthetic fibers, contributing to the development of materials with enhanced properties like strength and durability.
  3. Epoxy Resin Curing Agents: Through specific chemical modifications, 1,3-Dicyanobenzene can be converted into compounds that act as effective curing agents for epoxy resins. These are crucial for high-performance adhesives, coatings, and composite materials.
  4. Other Fine Chemical Syntheses: It is also utilized as a raw material in the broader fine chemical industry for manufacturing a range of specialty chemicals and intermediates.

For companies looking to purchase 1,3-Dicyanobenzene, understanding these applications ensures that they are sourcing the right material for their specific product development goals. Partnering with a reliable manufacturer in China can provide access to this essential chemical intermediate, supporting innovation and production efficiency.