Used primarily as a derivatization agent in gas chromatography and mass spectrometry, it enhances the volatility and stability of compounds, particularly those containing active hydrogen atoms like alcohols, phenols, and carboxylic acids. This chemical is crucial in the analysis of complex mixtures, enabling the detection and quantification of trace substances in environmental, pharmaceutical, and biological samples. It is also employed in the synthesis of organic compounds, where it acts as a protecting group for sensitive functional groups during chemical reactions. Its ability to modify and stabilize reactive species makes it a valuable tool in analytical chemistry and organic synthesis.