Abstract

Decomposition reactions for the mustard simulant 2-chloroethyl phenyl sulfide ( 13C-labelled, CEPS∗) sorbed on γ-alumina, polydivinylbenzene (impregnated with NaOH, polyethylene glycol and polyethylenimine) ( DVB NaOH ), and Ambergard ® XE-555, were characterized in situ using 13C MAS NMR. CEPS∗ hydrolyzes on γ-alumina to form 2-hydroxyethyl phenyl sulfide. On DVB NaOH , CEPS∗ eliminates HCl to yield vinyl phenyl sulfide. No products were observed on XE-555, where the applied CEPS∗ was spectroscopically observed to adsorb entirely within the micropores of the carbonaceous resin component of this material. Toxicities of the mustard products analogous to the degradation products observed for CEPS∗ are discussed.

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