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Chemical Agents of Opportunity for Terrorism: TICs & TIMs

Chemical Agents of Opportunity for Terrorism: TICs & TIMs

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<strong>Chemical</strong> <strong>Agents</strong> <strong>of</strong> <strong>Opportunity</strong> <strong>for</strong> <strong>Terrorism</strong><br />

Training Support Package<br />

Participant Guide<br />

Slide 41<br />

<strong>Chemical</strong> <strong>Agents</strong> <strong>of</strong> <strong>Opportunity</strong> <strong>for</strong> <strong>Terrorism</strong>:<br />

<strong>TICs</strong> & <strong>TIMs</strong><br />

Phosgene: Physical Properties<br />

• Colorless gas with odor <strong>of</strong> musty hay<br />

• Higher odor threshold; poor warning properties<br />

• Low water solubility<br />

• Boiling point 8.2 ºC<br />

• Vapor density 3.5 (heavier than air)<br />

Module One – Toxic Industrial Gases as Terrorist Threats<br />

41<br />

Phosgene is a highly reactive gas <strong>of</strong> historical interest and current industrial importance.<br />

Because <strong>of</strong> its low water solubility, there are no immediate irritive effects to serve as<br />

warning properties <strong>of</strong> exposure. It is colorless and described as having a “musty hay” or<br />

“green corn” odor. The odor threshold is above the concentration that would result in<br />

lower airway & lung toxicity.; thus this compound has inadequate warning properties. It<br />

is a gas at room temperature with a vapor density 3.5 times that <strong>of</strong> air. As mentioned<br />

earlier, when shipped <strong>of</strong>f-site, it is in liquid <strong>for</strong>m in pressurized steel cylinders.<br />

December 2008 Version 2.0 Page 165

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