NINGBO INNO PHARMCHEM CO.,LTD. is a distinguished manufacturer in China, specializing in high-quality chemical products, including 2,4-Diaminobenzenesulfonic acid (CAS 88-63-1). Our unwavering commitment to excellence ensures that clients receive a product with a minimum purity of 99%, making it an ideal choice for demanding industrial and research applications. When you decide to buy 2,4-Diaminobenzenesulfonic acid, our company stands out as a reliable partner.
The primary applications for CAS 88-63-1 often lie in the synthesis of specialized polymers, such as sulfonated homo- and random co-polyimides. These advanced materials are critical for applications requiring high thermal stability, chemical resistance, and specific ionic properties. The superior purity of our 2,4-Diaminobenzenesulfonic acid directly contributes to the successful synthesis of these complex polymers, leading to enhanced performance and reliability in the end products.
As a leading supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. understands the importance of consistent quality and dependable supply chains. We are committed to supporting our clients' projects by providing high purity diamines for synthesis that meet stringent specifications. This focus on quality control and customer service sets us apart in the chemical intermediate market.
Furthermore, our expertise extends to various other organic synthesis pathways where 2,4-Diaminobenzenesulfonic acid serves as a key chemical intermediate. Whether for R&D purposes or large-scale manufacturing, sourcing from a reputable manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. ensures efficiency and product integrity. We invite you to experience the difference that high-quality chemical intermediates and dedicated customer support can make for your business. Choose NINGBO INNO PHARMCHEM for your CAS 88-63-1 needs and secure a partnership built on trust and quality.
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.