Acid Orange 7

Acid Orange 7 is a water-soluble azo dye widely used in textile, leather, and ink industries. It appears as an orange-red powder and provides brilliant, high-intensity shades with good solubility and fastness properties. This dye is extensively used for dyeing wool, silk, and nylon, as well as in cosmetic formulations, paper coloring, and biological staining. Acid Orange 7 is known for its strong affinity for fibers and stability in various industrial applications. Chemical Formula: C₁₆H₁₁N₂NaO₄S Chemical Code: CAS Number: 633-96-5

Used in textile dyeing for wool, silk, and nylon

Commonly used in dyeing wool, silk, and nylon, this dye ensures vibrant, long-lasting colors with excellent fiber affinity and penetration. Ideal for achieving uniform shades in protein and polyamide fibers.

Commonly applied in leather dyeing and finishing

Commonly applied in leather dyeing and finishing, this dye offers excellent penetration and fastness properties, ensuring rich, uniform coloration and enhancing the leather’s aesthetic and durability. Ideal for full-grain and corrected-grain leathers.

Ingredient in hair dye and cosmetic formulations

Used as an ingredient in hair dye and cosmetic formulations, this dye provides vibrant, long-lasting color with good skin and hair compatibility. It is commonly included in semi-permanent and permanent hair color products, as well as in tinted cosmetics like mascaras and eyeliners.