Widely used in the textile industry for dyeing cotton, linen, and other cellulosic fibers, providing deep black shades with good color fastness to washing and light. Commonly applied in batch dyeing processes for workwear, casual clothing, and home textiles such as curtains and bedsheets. It can be dyed at lower temperatures, saving energy and reducing fiber damage. Also utilized in paper printing and leather coloring due to its strong affinity and uniform dye uptake. Suitable for use in ink formulations for specialty printing applications. Requires proper wastewater treatment due to environmental concerns related to dye discharge.