In the competitive landscape of specialty chemicals, the purity and consistent quality of products like Diethyltoluenediamine (DETDA) are non-negotiable. As a leading manufacturer and supplier based in China, we understand that the performance of your end-products—whether they are polyurethane elastomers, epoxy resins, or advanced coatings—directly depends on the integrity of the raw materials used. This article details our commitment to quality throughout the DETDA production process, ensuring you receive a product you can trust.
From Raw Materials to High-Purity DETDA
Our DETDA production (CAS No. 68479-98-1) begins with carefully selected raw materials, primarily toluene diamine (TDA) and ethylene. The manufacturing process involves a sophisticated alkylation reaction. Key to achieving high purity and minimizing unwanted by-products are precise control over reaction parameters such as temperature, pressure, reaction time, catalyst concentration, and the ratio of reactants. Our optimized process conditions, developed through extensive research and orthogonal experimentation, are designed to maximize the conversion rate and yield of DETDA while minimizing side reactions. This meticulous control ensures that we produce a DETDA product with a purity typically exceeding 98%.
Advanced Purification Techniques
Following the initial reaction, the crude DETDA undergoes rigorous purification. We employ advanced techniques, such as vacuum distillation, to separate DETDA from closely related aromatic amine derivatives that may have similar boiling points. This multi-stage purification process is critical for achieving the light yellow to amber transparent liquid appearance and the high assay results that our customers expect. The aim is to consistently deliver a product that meets or exceeds the stringent quality specifications required for demanding industrial applications.
Stringent Quality Control and Testing
Our commitment to quality extends beyond the production line. Each batch of DETDA undergoes comprehensive quality control testing. Parameters such as appearance, content (GC analysis for specific isomers), moisture content, and chroma are meticulously monitored. We adhere to international standards, providing Certificates of Analysis (COA) with every shipment to verify product specifications. This rigorous testing protocol ensures that every drum of DETDA leaving our facility meets the high standards our global customers rely on. For manufacturers seeking a dependable source for DETDA, our focus on quality assurance makes us a premier choice. We invite you to request a quote and experience the consistent excellence of our products.
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.