For businesses seeking to optimize their polyester production, sourcing high-quality chemical intermediates is paramount. Dimethyl-5-Sulfoisophthalate Sodium Salt (CAS 3965-55-7) is one such critical compound, and reliable suppliers are essential for consistent product performance. NINGBO INNO PHARMCHEM CO.,LTD. stands out as a premier source for this vital chemical intermediate in China, offering unparalleled quality and service.
The primary function of Dimethyl-5-Sulfoisophthalate Sodium Salt as a third monomer in polyester synthesis directly translates to improved processing and dyeability. Manufacturers who buy or purchase this chemical can expect enhanced efficiency in their production lines and superior quality in their final products. The advantages of using this compound to improve polyester processing are manifold, contributing to smoother operations and better material characteristics. This makes it a strategic purchase for any forward-thinking company.
As a chemical intermediate for polymers, its consistency and purity are non-negotiable. NINGBO INNO PHARMCHEM CO.,LTD. understands this critical requirement and maintains rigorous quality control standards throughout its manufacturing and supply chain. Our commitment as a supplier in China ensures that clients receive a product that meets exacting specifications, facilitating optimal results in improving polyester dyeability and overall material performance.
Choosing the right supplier is crucial for securing a competitive advantage. With NINGBO INNO PHARMCHEM CO.,LTD., you gain a partner dedicated to excellence, providing not just a product but a reliable solution for your chemical needs. Our expertise in sourcing and supplying Dimethyl-5-Sulfoisophthalate Sodium Salt makes us the go-to choice for companies aiming to elevate their polyester manufacturing processes.
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.