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Nerve agent VX

Eva Magulová Crisis management and protection of inhabitants 2007. Nerve agent VX. Physical properties. C 11 H 26 NO 2 PS Molecular weight 267.4 Boiling point 298°C Freezing point -51°C Flashpoint 159°C. Physical properties.

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Nerve agent VX

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  1. Eva Magulová Crisis management and protection of inhabitants 2007 Nerve agent VX

  2. Physical properties • C11H26NO2PS • Molecular weight 267.4 • Boiling point 298°C • Freezing point -51°C • Flashpoint 159°C

  3. Physical properties • Vapor density (Air = 1) 9.2 • Liquid density 1.0083 g· cm−3 • Clear oily liquid, odorless and tasteless • high viscosity and low volatility • high persistence in the environment

  4. Toxic properties • Extremely toxic substance • LD50 (skin) = 0,142 mg·kg-1 • LCt50 (inhal.) = 30 mg-min·m-3 (15 l·min-1) • Weapon of mass destruction • Antidotes are atropine, pralidoxime (2-PAM), and diazepam • Autoinjector

  5. Effects • Nerve agent - blocks the function of the enzyme acetylcholinesterase • Sustained contractions of all the muscles in the body • Diaphragm in contraction – death by asphyxiation

  6. Protection • Inhalation – respiratory protection mask • Eye – flush eyes + mask • Skin – mask + remove contaminated clothing • Ingestion – immediately injection of antidote • DO NOT ATTEMPT MOUTH-TO-MOUTH RESUCITATION without proper shields

  7. History • Synthesized in the early 1950s by British scientistc Dr. Ranajit Ghosh • Used by Iraq against Iran in 1988 • Outlawed by the Chemical Weapons Convention in 1993 • The only countries known to possess VX are the United States and Russia

  8. The end Thank you for your attention

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