Sarin

:If you are looking for the finch, see Serin and for the star Delta Herculis, see Sarin (star)

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Sarin or GB (O-Isopropyl methylphosphonofluoridate) is an extremely toxic substance. As a chemical weapon, it is classified as a weapon of mass destruction by the United Nations according to UN Resolution 687, and its production and stockpiling was outlawed by the Chemical Weapons Convention of 1993.

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Sarin is similar in structure and biological activity to some commonly used insecticides, such as Malathion, and is similar in biological activity to carbamates used as insecticides such as Sevin, and medicines such as Mestinon, Neostigmine, and Antilirium.

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At room temperature, sarin is a colourless, odorless liquid. Its relatively high vapor pressure means that it evaporates quickly (about 36 times faster than tabun, another common chemical nerve agent). Its vapor is also colorless and odorless. It can be made more persistent through the addition of certain oils or petroleum products.

Serin: If you are looking for the nerve agent, see sarin...

Sarin (star): redirect Delta Herculis...

Chemical weapon: REDIRECT Chemical warfare...