Sesquimustard

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Sesquimustard (military code Q, also known as One-and-one-half mustard) is a vesicant chemical weapon, a type of mustard gas. In its pure form it has up to 5 times the potency as a vesicant compared to the original sulfur mustard, though it is a solid when pure and so was only ever deployed militarily as mixtures with the original sulfur mustard, and/or with phosgene. It is a Schedule I substance under the Chemical Weapons Convention.<ref>VOCCI FJ, BALLARD TA, YEVICH P, PUNTE CL. INHALATION TOXICITY STUDIES WITH AEROSOLS OF SESQUI-MUSTARD. Toxicol Appl Pharmacol. 1963;5:677-684. doi:10.1016/0041-008x(63)90061-9

</ref><ref>Gupta AK, Dubey DK, Kaushik MP. A simple and economical chemical neutralization method for the destruction of sulfur mustard and its analogues. J Hazard Mater. 2007;139(1):154-159. doi:10.1016/j.jhazmat.2006.06.016

</ref><ref>Blum MM, Richter A, Siegert M, Thiermann H, John H. Adduct of the blistering warfare agent sesquimustard with human serum albumin and its mass spectrometric identification for biomedical verification of exposure [published online ahead of print, 2020 Sep 9]. Anal Bioanal Chem. 2020; doi:10.1007/s00216-020-02917-w

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See also

• Half mustard
• HN3 (nitrogen mustard)
• O-Mustard
• Selenium mustard

References

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