Abstract

European Journal of Mass Spectrometry
Volume 12 Issue 4, Pages 261–269 (2006)
doi: 10.1255/ejms.812

Gas chromatography electron ionization mass spectrometric analysis of trimethylsilyl derivatives of bis(2-hydroxyethylthio)alkanes and bis(2-hydroxyethylsulfonyl) alkanes

Pankaj K. Kanaujia^a, Vijay Tak,^a Deepak Pardasani,^a A.K.Gupta,^a Rajiv Jain^b and D.K. Dubey^a,*
aVertox Laboratory, Defence Research & Development Establishment, Gwalior, India
^b School of Studies in Chemistry, Jiwaji University, Gwalior, India

This communication describes GC-MS analysis of bis(trimethylsilyl) (bis-TMS) derivatives of bis(2-hydroxyethylthio)alkanes (BHETAs) and bis(2-hydroxyethylsulfonyl) alkanes (BHESAs) which are important markers of sulfur mustard class of chemical warfare agents. The study was undertaken with a view to develop spectral data base of these compounds for verification analysis of Chemical Weapons Convention (CWC). Based on the obtained mass spectra of bis-TMS derivatives of BHETAs and BHESAs, the fragmentation routes are proposed, which explain most of the characteristic ions.

Keywords: chemical warfare agents, chemical weapons convention, verification, sulfur mustards

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