Azo pigments represent one of the largest and most versatile classes of organic colorants, widely used across numerous industries for their bright colors and cost-effectiveness. Among these, Pigment Yellow 14 (CAS 5468-75-7) is a prominent example, offering a brilliant yellow hue with excellent performance characteristics. As a leading manufacturer and supplier of specialty chemicals, we delve into the chemistry and applications of this important pigment.

The fundamental chemistry behind azo pigments lies in the presence of one or more azo groups (-N=N-) linking aromatic or heteroaromatic rings. Pigment Yellow 14, with the chemical formula C34H30Cl2N6O4, is a diarylide yellow, meaning it contains two azo groups. Its synthesis typically involves the diazotization of substituted anilines, followed by coupling with an aromatic derivative. Specifically, the structure of Pigment Yellow 14 arises from the coupling of diazotized 3,3'-dichlorobenzidine with acetoacet-o-toluidide.

This specific molecular structure imparts the pigment with its characteristic greenish-yellow color and contributes to its notable properties. The presence of chlorine atoms and the extended conjugated system are key to its color intensity and stability. The pigment is generally insoluble in water and most organic solvents, which is a defining feature of pigments that allows them to remain dispersed in a medium rather than dissolving.

The applications of Pigment Yellow 14 are diverse and widespread, reflecting the demand for a reliable and vibrant yellow colorant. In the printing ink industry, it is a staple for achieving bright yellow shades in packaging, publication, and specialty inks. Its good lightfastness and high tinting strength make it an economical choice for producing eye-catching printed materials that resist fading.

In the plastics industry, Pigment Yellow 14 is highly valued for its thermal stability, typically up to 200°C, which allows it to withstand the high processing temperatures involved in molding and extrusion. It is used in masterbatches and directly in polymers like PVC, polyolefins, and polystyrene to color a wide array of plastic products, from consumer goods to automotive parts.

The coatings and paints sector also extensively utilizes Pigment Yellow 14. It contributes to the vibrant yellow colors found in automotive finishes, industrial coatings, architectural paints, and powder coatings. Its resistance to chemicals, including acids and alkalis, along with its lightfastness, ensures the longevity and aesthetic appeal of these protective and decorative layers.

As a manufacturer and supplier based in China, we are committed to producing high-quality Pigment Yellow 14 that meets stringent industry standards. Our production processes ensure high purity, consistent particle size distribution, and excellent batch-to-batch consistency. We understand the importance of a reliable supply chain for businesses that depend on this pigment for their manufacturing operations.

For companies looking to buy Pigment Yellow 14, partnering with a knowledgeable and dependable supplier is crucial. We offer competitive pricing for bulk orders and provide comprehensive technical support to assist with formulation and application. We encourage you to reach out to us for detailed product information, quotes, and samples to experience the quality and performance of our Pigment Yellow 14.

In conclusion, Pigment Yellow 14 is a testament to the versatility and efficacy of azo pigments in industrial applications. Its well-defined chemistry, combined with its excellent coloristic and performance properties, makes it an indispensable component for achieving vibrant and durable coloration in inks, plastics, and coatings. Trust us as your supplier for this essential industrial chemical.