The global sulfanilic acid market size in 2025 is projected to be USD 271.249 million, with expectations to reach USD 424.239 million by 2033, growing at a CAGR of 5.75% during 2025 to 2033. This growth is driven by its applications in dyes, brighteners, and pesticides. Sulfanilic acid prices are influenced by demand in the textile and agricultural sectors. As production increases to meet this demand, prices may remain stable or experience moderate growth. However, environmental regulations and raw material costs can introduce variability in pricing.