Disodium 2-Naphthol-3,6-Disulfonate, identified by its CAS number 135-51-3, is a chemical compound that plays a significant role in various industrial applications, most notably as a precursor for azo dyes and food colorants. Understanding its core chemical properties is crucial for procurement managers and R&D scientists looking to optimize their synthesis processes and ensure the quality of their final products. As a leading chemical manufacturer, we specialize in providing this compound with high purity and consistent quality.

Chemically, Disodium 2-Naphthol-3,6-Disulfonate is a disodium salt of a sulfonated naphthol. Its structure, featuring a naphthalene ring system with hydroxyl and sulfonic acid groups, makes it highly reactive in specific chemical transformations, particularly in diazotization and coupling reactions that form the basis of azo dye synthesis. These dyes are characterized by their vibrant colors and are widely used in the textile, leather, and paper industries. The presence of the sulfonic acid groups enhances water solubility, which is a key attribute for many dye applications.

When sourcing this critical intermediate, a paramount consideration for any purchasing manager is the reliability and quality assurance provided by the manufacturer. As a China-based supplier, we offer a distinct advantage by providing direct access to a stable supply chain and competitive pricing. We ensure that our Disodium 2-Naphthol-3,6-Disulfonate maintains an assay of ≥98%, a specification vital for achieving optimal yields and desired color characteristics in downstream products. We strongly encourage companies to buy their chemical raw materials from reputable manufacturers to ensure product integrity.

The compound's utility also extends to the food industry, where it serves as an intermediate for food coloring agents. In this context, adherence to strict purity and safety standards is non-negotiable. Our manufacturing processes are designed to meet these demanding requirements, making us a trusted supplier for food ingredient formulators. Additionally, its application in photographic paper highlights its multifaceted nature. For any business looking to procure Disodium 2-Naphthol-3,6-Disulfonate, understanding its chemical profile and the benefits of sourcing directly from a dedicated manufacturer is key to successful procurement and product development.