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Tartrazine (CAS 1934-21-0), widely recognized as FD&C Yellow 5 or E102, is a synthetic azo dye celebrated for its brilliant orange-yellow hue. Its extensive use in food, pharmaceuticals, and cosmetics stems from its vibrant color and relatively stable properties. Understanding the synthesis of Tartrazine provides valuable insight into the manufacturing process and the importance of sourcing from a quality-conscious Tartrazine manufacturer.
The synthesis of Tartrazine primarily involves a process known as azo coupling. This intricate chemical reaction typically begins with the diazotization of sulfanilic acid, a process that converts the amino group into a diazonium salt. This diazonium salt is then reacted with a sulfonated pyrazolone derivative, specifically 1-(4'-sulfophenyl)-3-carboxy-5-pyrazolone. The electrophilic diazonium ion couples with the electron-rich pyrazolone ring, forming the characteristic azo linkage (-N=N-) that is central to the dye's structure and color. The final product is then typically isolated as its trisodium salt, enhancing its water solubility and suitability for various applications.
The precision required in each step of this synthesis is significant. Control over reaction conditions, such as temperature, pH, and reactant concentrations, is critical to ensure high purity and yield, minimizing the formation of undesirable by-products. This is where the expertise of a seasoned Tartrazine supplier becomes indispensable. Our manufacturing facilities employ advanced chemical engineering principles and rigorous quality control measures to ensure that every batch of Tartrazine meets stringent industry standards. When you buy Tartrazine from us, you are assured of a product synthesized with meticulous care.
The purity of Tartrazine is paramount, especially for its use in regulated industries. Impurities, such as unsulfonated primary aromatic amines or other related azo dyes, must be kept to exceptionally low levels. Our dedication to quality means that when you seek to purchase Tartrazine, particularly in bulk quantities, you can rely on our adherence to these critical purity specifications. We understand that the reliability of our product directly impacts the quality and safety of your end products. We invite you to request a quote and learn more about the scientific rigor behind our Tartrazine production.
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.
