Widely used in the textile industry for dyeing cellulosic fibers such as cotton, C.I. Vat Red 23 provides excellent color fastness to light, washing, and rubbing. It is especially valued in producing bright red to maroon shades that remain stable under harsh conditions. Commonly applied through exhaust or continuous dyeing methods, this vat dye is suitable for high-quality apparel, home textiles, and industrial fabrics where durable coloration is essential. It also demonstrates good resistance to chlorine and perspiration, making it ideal for sportswear and workwear. Additionally, it is used in the production of colored papers and in some specialty printing inks where color stability is critical.