Sulfanilic acid CAS 121-57-3

Structural formula：  

Product Description：

Properties and Usage:

Sulfanilic acid (CAS: 121-47-1) is also called p-Aminobenzenesulfonic acid. It is a white or off-white crystal used in dyes, medicine, food and chemical industries. It is stable and reactive.

1. Core intermediates in the dye industry

P-aminobenzenesulfonic acid is used to make azo dyes and acid dyes, and is widely used in textile and leather dyeing.

2. Key raw materials in the pharmaceutical field

As an intermediate for sulfonamide antibiotics, p-aminobenzenesulfonic acid is also used in the synthesis of non-steroidal anti-inflammatory drugs and antihypertensive drugs.

3. Application in the food industry

P-aminobenzenesulfonic acid is used as an intermediate for azo pigments, as a food additive and preservative.

4. Additives in chemical and synthetic materials

P-aminobenzenesulfonic acid is used as a stabilizer for polymeric materials and is involved in the production of photosensitive materials and flame retardants.

5. Chemical analysis and detection

P-aminobenzenesulfonic acid is used for metal ion detection and elemental analysis, and is used in soil and serum bilirubin detection.

Storage conditions: Store in the ventilated and low temperature and drying warehouse; Stored and transported separately from food raw materials.

Packing: This product is packed in 25kg cardboard drums, and it can also be customized according to customers' requirements