The Sodium Oxalate segmentation by application delineates the market into five principal uses: analytical chemistry, textile processing, metal cleaning, pharmaceutical formulation, and food additives. Analytical chemistry dominates with roughly 35% of total demand, driven by its role as a precipitating agent for calcium and magnesium ions in titrimetric analyses and as a standard in calibration solutions. Textile processing accounts for about 25%, where sodium oxalate functions as a bleaching auxiliary and a mordant, supporting fabric whiteness and dye fixation. Metal cleaning contributes near 20%, utilized in scale removal and surface preparation for steel and aluminum components, enhancing corrosion resistance. The pharmaceutical segment, representing 12%, employs sodium oxalate as an excipient and in the synthesis of oxalate-based drugs. Finally, food additives comprise roughly 8%, where the compound serves as a firming agent in canned fruits and vegetables. Collectively, these applications shape the overall market size, reflecting demand intensity across industrial and specialty sectors.