Sulfanilic Acid (CAS 121-57-3): A Key Intermediate for Dyes, Pharmaceuticals, and Analytical Reagents
Discover the essential properties and diverse applications of Sulfanilic Acid (CAS 121-57-3), a vital chemical intermediate. As a trusted manufacturer and supplier, we offer high-purity Sulfanilic Acid to meet your industrial and research needs.
Get a Quote & SampleThe Versatility of Sulfanilic Acid in Chemical Manufacturing

Sulfanilic Acid
As a leading supplier and manufacturer in China, we provide high-purity Sulfanilic Acid (CAS 121-57-3) essential for numerous industrial processes. Our commitment to quality ensures you receive a reliable chemical for your production needs.
- High Purity Sulfanilic Acid: Our product typically exceeds 99% purity, making it ideal for demanding applications in dye synthesis and pharmaceutical manufacturing.
- Key Dye Intermediate: Sulfanilic Acid is crucial for producing a wide range of azo dyes used in textiles, food coloring, and paper industries. As a dedicated supplier, we ensure consistent quality for your dyeing auxiliaries.
- Pharmaceutical Building Block: Widely used in the synthesis of sulfa drugs and other pharmaceutical intermediates, our Sulfanilic Acid contributes to the development of essential medications. Buy with confidence from a reliable manufacturer.
- Analytical Reagent Applications: Its ability to form diazo compounds makes Sulfanilic Acid an indispensable reagent for quantitative analysis, particularly for nitrate and nitrite ions. Partner with us for your laboratory chemical supply needs.
Advantages of Sourcing Sulfanilic Acid
Consistent Quality and Purity
We guarantee Sulfanilic Acid with purity levels of ≥99%, ensuring reproducible results in your critical chemical processes. Our stringent quality control makes us a preferred supplier.
Reliable Supply Chain
As a reputable chemical manufacturer, we maintain a robust supply chain to meet your volume requirements. Purchase Sulfanilic Acid in China with the assurance of timely delivery.
Technical Support and Expertise
Leverage our team's expertise in fine chemical intermediates. We offer technical assistance to help you integrate Sulfanilic Acid into your formulations and processes effectively.
Key Applications of Sulfanilic Acid
Dye Manufacturing
Critical intermediate for producing vibrant and stable azo dyes used across industries. Explore our offerings for your next dye formulation project.
Pharmaceutical Synthesis
A fundamental building block for synthesizing sulfa drugs and various pharmaceutical intermediates. We are a trusted source for quality pharmaceutical raw materials.
Analytical Chemistry
Essential reagent for the precise detection and quantification of nitrates and nitrites, crucial for quality control and research.
Agrochemicals and Pigments
Used as an intermediate in the production of certain agrochemicals and pigments, contributing to diverse chemical product lines.