For professionals in chemical manufacturing and research, a thorough understanding of key compounds is essential for successful operations. 5-Amino-1-Naphthalenesulfonic Acid (CAS 84-89-9), also known as Laurent's acid, is a compound that warrants close examination due to its diverse applications. As a leading manufacturer and supplier, we aim to provide comprehensive insights into its properties, uses, and safe handling, making it easier for you to decide when and how to buy this versatile chemical.

Chemical Identity and Key Properties

5-Amino-1-Naphthalenesulfonic Acid is an aromatic organic compound with the molecular formula C10H9NO3S and a molecular weight of 223.25 g/mol. Its CAS number, 84-89-9, uniquely identifies it. The presence of both an amine (-NH2) and a sulfonic acid (-SO3H) group on the naphthalene ring system grants it specific chemical reactivity. Typically supplied as a grey to rose coloured powder, it exhibits good solubility in hot water. A critical specification often cited is its amino value, usually stated as >=65%, which indicates its suitability for synthesis-driven applications. Manufacturers often provide detailed specifications upon inquiry.

Primary Applications: Dyes and Pharmaceuticals

The primary utility of 5-Amino-1-Naphthalenesulfonic Acid lies in its role as an intermediate. In the dye industry, it is a crucial component for synthesizing a variety of acid dyes and reactive dyes. Its structure allows for chromophore development and attachment to fibers, contributing to vibrant colors and durability. For pharmaceutical applications, it serves as a key building block, most notably in the synthesis of 1-naphthol-5-sulfonic acid, which itself is an important intermediate. Researchers may also explore its use in developing novel chemical entities.

Handling and Storage Recommendations

Proper handling and storage are vital for maintaining the quality of 5-Amino-1-Naphthalenesulfonic Acid. As a chemical powder, it should be stored in a cool, dry, and well-ventilated area, with containers kept tightly closed to prevent moisture absorption and contamination. When handling, it is advisable to wear appropriate personal protective equipment (PPE), such as gloves, eye protection, and respiratory protection, as it may cause skin, eye, or respiratory irritation. Always consult the Safety Data Sheet (SDS) provided by the supplier for detailed information before use. When you purchase from a reputable manufacturer, you can expect accurate SDS information.

Purchasing Considerations

When you are ready to buy 5-Amino-1-Naphthalenesulfonic Acid, looking for a reliable manufacturer is paramount. Consider factors such as product purity (amino value), consistency in appearance, competitive pricing, and the supplier's ability to provide technical support and documentation. If you are based in China or sourcing globally, comparing quotes from various suppliers will help you secure the best value for your specific project requirements.

Conclusion

5-Amino-1-Naphthalenesulfonic Acid (CAS 84-89-9) is a cornerstone intermediate with significant applications in the dye and pharmaceutical industries. Understanding its chemical properties, functional applications, and proper handling procedures will empower your research and manufacturing efforts. We are committed to being your trusted supplier, offering high-quality material backed by expert support.