N,O-Bis(trimethylsilyl)acetamide (synonym: BSA) is a powerful and commonly used trimethylsilylating reagent for GC derivatization and silylation of a wide range of acidic functional groups, such as non-sterically hindered alcohols,amides,amines,aminoacids,carboxylic acids and enols. Its silylating potential is similar to that of BSTFA and MSTFA and more potent than HMDS or TMSDEA, depending on the conditions and substrates used.
Quantitative gas-liquid chromatography of sulfur containing amino acids. 
Protection for the Hydroxyl Group, Including 1,2‐ and 1,3‐Diols.
 F.Shahrokhi, et al, J. Chromatogr., 1968, 36(1), pp 31-41.
 P.G.M.Wuts, et al, Greene’s Protective Groups in Organic Synthesis, 5th ed., New Jersey, 2014, Chap. 2, 17.