Used in the production of carboxymethyl cellulose (CMC), a thickening and stabilizing agent widely applied in food, pharmaceuticals, and detergents. Acts as an intermediate in synthesizing herbicides like phenoxyalkanoic acid derivatives, which are effective in controlling broadleaf weeds. Employed in the manufacture of dyes and textile auxiliaries to improve dye solubility and fabric treatment processes. Serves as a cross-linking agent in water-soluble polymers for use in personal care products and cosmetics. Also utilized in organic synthesis for alkylation reactions, particularly in the preparation of pharmaceuticals and agrochemicals.