Sulfanilic Acid (CAS 121-57-3): Key Intermediate for Dyes, Pharmaceuticals, and Analytical Applications
Discover the critical role of Sulfanilic Acid, a versatile organic compound, in driving innovation across the chemical and pharmaceutical industries. Renowned for its purity and reliability, our Sulfanilic Acid is the preferred choice for manufacturers and researchers worldwide. Explore its applications in vibrant dye production, life-saving sulfa drugs, and precise analytical testing. Partner with a leading Sulfanilic Acid manufacturer and supplier in China to secure your supply chain and enhance your product development.
Get a Quote & SampleThe Indispensable Intermediate: Sulfanilic Acid for Your Chemical Needs

Sulfanilic Acid (CAS 121-57-3)
As a trusted Sulfanilic Acid supplier in China, we provide high-quality 4-aminobenzenesulfonic acid for a wide range of industrial applications. Our product is essential for creating brilliant azo dyes, effective sulfa drugs, and accurate analytical reagents. We are committed to delivering consistent quality and competitive pricing, ensuring you have a reliable partner for your manufacturing and R&D needs. Purchase Sulfanilic Acid from a reputable manufacturer.
- Manufactured for Purity: Our Sulfanilic Acid meets stringent quality standards, making it ideal for sensitive applications in pharmaceuticals and advanced dye synthesis.
- Versatile Chemical Intermediate: Essential for the production of azo dyes, sulfa drugs, and as an analytical reagent for nitrite detection, supporting diverse industry requirements.
- Reliable Supply Chain: We ensure a stable and consistent supply of Sulfanilic Acid, positioning us as a preferred manufacturer and supplier for businesses globally.
- Competitive Pricing: Get high-quality Sulfanilic Acid at competitive prices, directly from a leading chemical manufacturer in China, optimizing your procurement costs.
Key Advantages of Sourcing Sulfanilic Acid from Us
Exceptional Purity for Critical Applications
Our Sulfanilic Acid is manufactured to high purity levels, ensuring reliable performance in demanding applications such as pharmaceutical intermediate synthesis and precise analytical testing, making us a go-to supplier for quality-conscious buyers.
Facilitating Innovation in Dye and Drug Production
As a primary intermediate for azo dyes and sulfa drugs, our Sulfanilic Acid empowers chemical manufacturers to develop innovative colorants and vital pharmaceuticals. Explore how our product can accelerate your product development cycles.
Cost-Effective Procurement from a Trusted Manufacturer
Buying Sulfanilic Acid directly from our facility in China provides significant cost advantages. We offer competitive manufacturer pricing and a robust supply chain, ensuring you get the best value and timely delivery.
Diverse Industrial Applications of Sulfanilic Acid
Dye Manufacturing
Sulfanilic acid is a fundamental precursor for synthesizing a wide array of azo dyes, including popular colorants for textiles and food. Its ability to form diazonium salts is key to creating vibrant and stable colors.
Pharmaceutical Synthesis
It serves as a crucial intermediate in the production of sulfa drugs, a class of antibiotics vital for treating bacterial infections. Secure your supply of this essential pharmaceutical intermediate.
Analytical Chemistry
Utilized as an analytical reagent, particularly in the Griess test for the quantitative determination of nitrite ions. This application highlights its importance for quality control and research.
Corrosion Inhibition
Sulfanilic acid derivatives are employed as corrosion inhibitors, contributing to the longevity and performance of materials in various industrial systems.