Acid Yellow 23, widely recognized as Tartrazine or CI 19140, is a synthetic organic compound belonging to the azo dye class. Its chemical identity is defined by its molecular formula C16H9N4Na3O9S2 and CAS number 1934-21-0. This dye is highly valued for its vibrant yellow color and its broad applicability across industries. NINGBO INNO PHARMCHEM CO.,LTD. is a key provider of this essential chemical, facilitating its use in diverse manufacturing and scientific endeavors.

The dye's physical characteristics include a deep yellow powder form, with notable solubility in water, reaching approximately 260 g/L at 30°C. Its molecular weight is 534.38 g/mol. These properties are crucial for its effective use in dyeing processes, whether for fabric coloration or as a component in liquid formulations. Manufacturers often look for specific purity levels, typically above 99%, to ensure predictable results.

In the textile industry, Acid Yellow 23 is a fundamental dye for protein and polyamide fibers. Its application results in bright, uniform yellow shades on wool, silk, and nylon. The dye's ability to form strong bonds with these fibers contributes to its good fastness properties, including resistance to washing and light. The efficiency of textile dyeing processes is often enhanced by reliable dye suppliers.

The food sector widely adopts Tartrazine as a food coloring agent, providing a characteristic lemon-yellow hue to products ranging from beverages and candies to baked goods and breakfast cereals. Its stability across a range of pH conditions and its relatively low cost make it an attractive option for food manufacturers. The consistent quality of food coloring is paramount for brand integrity.

The pharmaceutical industry utilizes Acid Yellow 23 primarily for coloring oral medications, such as tablets and capsules. This coloring serves multiple purposes, including distinguishing different drug strengths, improving patient acceptance, and aiding in brand identification. NINGBO INNO PHARMCHEM CO.,LTD. understands the critical nature of these pharmaceutical applications and ensures stringent quality control.

Furthermore, Acid Yellow 23 finds application in the development of diagnostic reagents. Its color properties can be essential for visual indicators in various laboratory tests and kits. The reliability of such reagents often depends on the purity and consistency of the coloring agents used. Companies specializing in diagnostic materials often seek out trusted manufacturers for their raw chemical needs.

For businesses looking to procure Acid Yellow 23, engaging with a reputable manufacturer and supplier like NINGBO INNO PHARMCHEM CO.,LTD. ensures access to high-quality products at competitive prices. Their expertise in chemical production and international trade makes them an ideal partner for industries relying on this versatile dye.