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It is used both as a reagent and building block in several synthetic applications. As intermediate. As an excellent catalyst for many condensation reactions.
Xiaoqiang Qiao,; Liangliang Sun,; Lingfan Chen,; Yuan Zhou,; Kaiguang Yang,; Zhen Liang,; Lihua Zhann,; Yukui Zhang. Piperazines for peptide carboxyl group derivatization: effect of derivatization reagents and properties of peptides on signal enhancement in matrix-assisted laser desorption/ionization mass spectrometry. Rapid Communications in Mass Spectrometry. 2011, 25 (5),639-646.
Gefahrenhinweise (EU): H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or if you feel unwell: Immediately call a POISON CENTER/doctor