Naphthol AS-E, identified by its CAS number 92-78-4, is a fundamental chemical intermediate widely recognized for its pivotal role in the production of vibrant dyes and pigments. As a leading manufacturer and supplier in the global chemical market, understanding the intrinsic properties and multifaceted applications of Naphthol AS-E is key to unlocking its full potential for industrial innovation. This article provides a comprehensive overview for procurement specialists and research scientists seeking to purchase this essential compound.

At its core, Naphthol AS-E is a light beige powder, characterized by a melting point of approximately 257°C. Its solubility profile is noteworthy: it dissolves in o-dichlorobenzene and caustic soda solution (turning yellow), but remains insoluble in water and soda solution. This distinct solubility is crucial for its application in various chemical processes. Its molecular formula, C17H12ClNO2, and high purity, often exceeding 99%, underscore its suitability for sensitive applications requiring precise chemical reactions and consistent outcomes.

The primary application driving the demand for Naphthol AS-E is its function as a crucial component in the dyeing and printing of cotton fibers. As an azoic coupling component, it is instrumental in producing insoluble azo dyes. When combined with specific blue bases or blue salts, Naphthol AS-E is adept at yielding deep blue and navy blue shades, making it a preferred choice for textile manufacturers aiming for rich and durable colors. Beyond textiles, its utility extends to the production of lake pigments, where its chemical structure contributes to the stability and vibrancy of colorants used in inks, paints, and coatings.

For those looking to buy Naphthol AS-E, its role in chemical synthesis cannot be overstated. It serves as a versatile building block in various organic synthesis pathways. This makes it a valuable raw material for research institutions and chemical companies involved in developing novel compounds and advanced materials. The reliability of its properties, coupled with consistent supply from a reputable manufacturer, ensures that these research and development efforts can proceed without interruption.

The sourcing of Naphthol AS-E often involves engaging with specialized manufacturers and suppliers who can guarantee the required purity and packaging standards. For example, standard packaging configurations typically involve 25kg bags, suitable for industrial-scale operations. When inquiring about Naphthol AS-E price, it is essential to consider the volume required and the supplier's pricing structure for bulk orders. A transparent pricing policy from a trusted supplier in China can offer significant cost advantages.

In summary, Naphthol AS-E (CAS 92-78-4) is more than just a chemical intermediate; it is a gateway to vibrant colors and advanced chemical formulations. Its well-defined properties, coupled with its extensive applications in textile dyeing, pigment synthesis, and broader chemical manufacturing, solidify its importance in the industrial landscape. If your organization requires a reliable source for this key compound, exploring options from experienced Naphthol AS-E manufacturers and suppliers is a prudent step towards achieving your production and innovation goals.