Used in biochemical and analytical laboratories to maintain a stable pH environment, particularly in processes like DNA extraction, electrophoresis, and enzyme reactions where consistent pH is critical. Its buffering capacity around pH 4.5 to 5.5 makes it ideal for preserving sample integrity during purification and analysis. Also employed in pharmaceutical formulations to control acidity and enhance stability of active ingredients. In industrial settings, it supports dyeing and textile processing by regulating pH in baths. Additionally, used in food industry for quality control testing and preservation studies.