For professionals in the chemical and textile industries, understanding the core components that drive product development is crucial. One such vital compound is 1-Naphthol-4-Sulfonic Acid, identified by CAS number 84-87-7. This article delves into its properties, extensive applications, and the importance of sourcing it reliably from manufacturers and suppliers.

What is 1-Naphthol-4-Sulfonic Acid?

1-Naphthol-4-Sulfonic Acid is an organic compound primarily known for its role as an intermediate in the synthesis of azo dyes. Its chemical structure, C10H8O4S, and a molecular weight of approximately 224.23 g/mol, contribute to its reactivity and solubility. Typically appearing as transparent flake crystals, it exhibits good solubility in water, which is a significant advantage in many industrial processes, especially dye formulation.

Key Properties and Specifications

As a high-quality chemical intermediate, 1-Naphthol-4-Sulfonic Acid is characterized by its purity, often exceeding 95%. Its melting point is around 170°C, and it remains stable under normal temperature and pressure conditions when stored correctly in a tightly closed container, preferably in a cool, dry, and well-ventilated area. These properties ensure that when you buy 1-Naphthol-4-Sulfonic Acid from a reputable supplier, you are getting a material that performs consistently.

Applications in Dye and Pigment Industries

The primary application for 1-Naphthol-4-Sulfonic Acid lies in the production of azo dyes. It serves as a crucial coupling component, enabling the creation of a wide spectrum of colors. Specific examples of dyes synthesized using this intermediate include Direct Copper Blue BR, Direct Violet RB, Acid Red B, and Acid Medium Jujube Red B. Its contribution ensures vibrant shades and good color fastness, making it indispensable for textile coloring, paper dyeing, and the formulation of various pigments used in paints, inks, and plastics. If you are looking to purchase this chemical for dye manufacturing, exploring options from Chinese manufacturers can often provide cost-effective solutions without compromising on quality.

Sourcing 1-Naphthol-4-Sulfonic Acid: Manufacturer and Supplier Considerations

When seeking to buy 1-Naphthol-4-Sulfonic Acid, it is essential to identify reliable manufacturers and suppliers. Companies in China, for instance, are significant players in the global chemical supply chain, often offering competitive prices for high-purity intermediates. When evaluating a supplier, consider their commitment to quality control, their ability to provide consistent product specifications (like purity and CAS number verification), and their responsiveness to inquiries regarding price and availability. Requesting a free sample is a standard practice to verify product quality before committing to a large purchase.

Conclusion

1-Naphthol-4-Sulfonic Acid (CAS 84-87-7) is a cornerstone chemical for the azo dye industry. Its specific properties make it a preferred choice for dye and pigment synthesis. By understanding its applications and diligently selecting a trusted manufacturer or supplier, businesses can secure a consistent and high-quality supply, thereby optimizing their production processes and product outcomes.