Manufacturer of Acid Orange 7 (Orange II) for Paper and Wool Dyeing

As a leading China-based manufacturer, we specialize in high-purity Acid Orange 7 (CAS 633-96-5), a versatile anionic dye widely used in the paper and textile industries. Our Orange II is engineered for superior water solubility and strong affinity for protein fibers, making it an industry standard for wool, silk, and nylon dyeing. In paper manufacturing, it provides a vibrant, bleed-resistant orange tone for tissue, decorative paper, and cardboard. We offer consistent batch quality, high concentration options, and eco-friendly formulations that comply with international safety standards.