For any chemical intermediate, particularly one as critical as Isophthaloyl dichloride (CAS 99-63-8) used in demanding applications like high-performance polymers, ensuring purity is non-negotiable. Procurement managers and research scientists alike need to be diligent when selecting a supplier to guarantee the quality of the material they buy Isophthaloyl dichloride.
The primary specification to look for is the product's grade, commonly industrial grade, with purity levels typically exceeding 99%. Reputable manufacturers, such as ourselves, provide detailed specifications and Certificates of Analysis (CoA) for each batch. When you engage with an Isophthaloyl dichloride supplier, always request this documentation to verify the product's quality and consistency. This is especially important for applications where minor impurities could compromise the final polymer’s flame resistance, thermal stability, or chemical resistance.
Understanding the uses of Isophthaloyl dichloride helps in determining the required purity level. For instance, synthesis of advanced aramids or specialty resins will necessitate higher purity than potentially less sensitive applications. Therefore, clear communication with your chemical intermediate supplier about your specific application is crucial. This allows them to recommend the most suitable grade and ensure that their product aligns with your technical requirements.
When comparing the price of Isophthaloyl dichloride, remember that the lowest price may not always represent the best value if it comes at the expense of quality. A slightly higher price for a certified, high-purity product from a trusted Isophthaloyl dichloride manufacturer in China often proves more cost-effective in the long run by preventing production issues and ensuring product performance. We are committed to delivering quality and value, offering competitive pricing for bulk orders of high-purity Isophthaloyl dichloride.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.