High Purity Dimethyl 5-Sulfoisophthalate Sodium Salt for Polyester Synthesis - Premium Chemical Supplier
Discover the advantages of Dimethyl 5-Sulfoisophthalate Sodium Salt (CAS 3965-55-7) for enhancing polyester properties. As a leading manufacturer and supplier in China, we provide high-quality chemical intermediates to optimize your production processes and product performance.
Get a Quote & SampleUnlock Superior Polyester Performance with Our Chemical Expertise

Dimethyl 5-Sulfoisophthalate Sodium Salt (CAS 3965-55-7)
NINGBO INNO PHARMCHEM CO.,LTD. offers high-purity Dimethyl 5-Sulfoisophthalate Sodium Salt, a critical third monomer for polyester synthesis. Our product, supplied reliably from China, significantly improves the processing and dyeing characteristics of polyesters, leading to enhanced dyeability and stain resistance. As a trusted chemical supplier, we cater to manufacturers seeking to elevate their polymer formulations.
- High Purity for Polyester Synthesis: Source superior CAS 3965-55-7 for optimal polymer chain integration.
- Enhanced Dyeability & Stain Resistance: Buy our chemical intermediate to improve textile performance.
- Improved Processing Properties: Purchase this specialty chemical to streamline polyester manufacturing.
- Reliable Supplier in China: Partner with NINGBO INNO PHARMCHEM CO.,LTD. for consistent quality and supply.
Key Advantages of Our Specialty Chemical for Your Business
Exceptional Dye Affinity
Our Dimethyl 5-Sulfoisophthalate Sodium Salt ensures polyester fibers achieve vibrant, color-fast dyeing, a key advantage for textile manufacturers looking to buy high-quality inputs.
Enhanced Polymer Properties
As a premier supplier, we offer this chemical to improve tensile strength and hydrolytic stability in polyesters, crucial for durable applications.
Cost-Effective Manufacturing Solution
By choosing us as your manufacturer, you benefit from competitive pricing for this essential chemical intermediate, optimizing your production costs.
Versatile Applications for Advanced Materials
Polyester Fiber Modification
Utilize our product as a third monomer to produce cationic dyeable polyester (CDP) with superior textile properties, making it a sought-after buy for apparel industries.
Waterborne Polyesters
This chemical is a vital monomer for creating water-soluble polyesters, a key application for environmentally friendly coatings and adhesives.
Organic Synthesis Intermediate
As a reliable chemical supplier, we provide Dimethyl 5-Sulfoisophthalate Sodium Salt for various organic synthesis pathways, facilitating fine chemical production.
Specialty Polymer Applications
Explore its use in other polymer systems where enhanced solubility and reactivity are desired. Request a quote from our sales team today.