Acid Black 2 Crystal
 Acid Black 2 Crystal is a synthetic acid dye of the azo class, presented in crystalline form, known for its intense black coloration and excellent solubility in acidic aqueous solutions. This dye is primarily used for dyeing protein fibers such as wool, silk, and nylon, as well as leather and certain synthetic fibers under acidic conditions. Acid Black 2 Crystal provides deep, uniform black shades with good wash and light fastness properties, making it ideal for textile and leather applications. It is widely used in industrial dyeing processes, research formulations, and laboratory testing due to its chemical stability and high purity.
PONCEAU 4R RED SHADE 84%
Product Description
Ponceau 4R Red Shade 84% is a high-concentration synthetic red azo dye, widely used for imparting bright red coloration to food, textiles, and cosmetics. It exhibits excellent water solubility and strong affinity for protein fibers and various substrates. Known for its vibrant and stable red shade, Ponceau 4R is commonly applied in food coloring, textile dyeing, and cosmetic formulations. It complies with regulatory standards for approved uses in several countries.