O-mustard

O-mustard
Names
Preferred IUPAC name
1-Chloro-2-[(2-{2-[(2-chloroethyl)sulfanyl]ethoxy}ethyl)sulfanyl]ethane
Other names
Bis[2-(2-chloroethylsulfanyl)ethyl] ether
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/C8H16Cl2OS2/c9-1-5-12-7-3-11-4-8-13-6-2-10/h1-8H2
    Key: FWVCSXWHVOOTFJ-UHFFFAOYSA-N
  • C(CSCCCl)OCCSCCCl
Properties
C8H16Cl2OS2
Molar mass 263.24 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

O-mustard (T) is a vesicant chemical weapon, a type of mustard gas, with around three times the toxicity of the original sulfur mustard. It was developed in England in the 1930s as a thickener for mustard gas to make it more persistent when used in warm climates. A mixture of 60% sulfur mustard and 40% O-mustard also has a lower freezing point than pure sulfur mustard, and was given the code name HT. O-mustard is a Schedule I substance under the Chemical Weapons Convention.[1][2][3][4]

See also

References

  1. ^ "FM 3–8". Chemical Reference Handbook. US Army. 1967.
  2. ^ Alexander V, Emelyanov VI (1990). Отравляющие вещества [Poisonous Substances.] (in Russian). Учебное пособие. — M.: Воениздат. p. 271. ISBN 5203003416.
  3. ^ Ellison DH (2008). Handbook of Chemical and Biological Warfare Agents. (Second ed.). CRC Press. pp. 157–159. ISBN 9780849314346.
  4. ^ Hoenig SL (2006). Compendium of Chemical Warfare Agents. New York, NY: Springer-Verlag. ISBN 9780387346267.


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