Naphthalene-2-sulfonic acid, designated by CAS 120-18-3, is a fascinating organic compound with a unique set of chemical properties that dictate its broad industrial utility. As a derivative of naphthalene, it features a sulfonic acid group (-SO3H) attached to the second position of the naphthalene ring. This structural characteristic imparts polarity and water solubility to the molecule, differentiating it from its parent compound and enabling its use in aqueous systems. Understanding these properties is key to appreciating the various Naphthalene-2-sulfonic acid uses.

The compound typically appears as an off-white crystalline powder. Its melting point is around 124°C, indicating a solid state at room temperature. Chemically, the sulfonic acid group is acidic and readily participates in salt formation. This reactivity makes it an excellent intermediate for synthesizing a range of complex organic molecules. The Naphthalene-2-sulfonic acid synthesis process, while well-established, requires careful handling of corrosive reagents, highlighting the need for experienced Naphthalene-2-sulfonic acid manufacturer.

The primary Naphthalene-2-sulfonic acid applications lie in its role as an intermediate for direct dyes and reactive dyes, essential components in the textile industry for imparting color. It is also crucial in the production of certain pigments. Furthermore, it finds significant application as an intermediate in the agrochemical sector, contributing to the development of pesticides and other crop protection chemicals. The ability to buy Naphthalene-2-sulfonic acid from a reliable source ensures the continuity of these vital manufacturing chains.

When considering the Naphthalene-2-sulfonic acid price, it is influenced by factors such as raw material costs and production efficiency. However, its indispensable nature in these key industries often makes it a cost-effective choice for manufacturers. The consistent demand from sectors like textiles and agriculture underscores the enduring importance of this versatile chemical intermediate.