2. Relevance to Public Health 2.1 Background and Environmental Exposures to Sulfur Mustard in the United States
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چکیده
Sulfur mustard (bis[2-chloroethyl]sulfide; C4H8Cl2S; CASRN: 505-60-2) or as it is commonly called, ‘mustard gas’, is one of a class of vesicant chemical warfare agents with the ability to form vesicles or blisters on exposed skin. Sulfur mustard is a viscous liquid at ambient temperature, but becomes a solid at 58 °F (14 °C). It is heavier than water as a liquid and heavier than air as a vapor. Sulfur mustard is a component of the H-series blister agents including undistilled sulfur mustard (H; sulfur mustard with 20– 30% impurities, also known as Levinstein mustard), distilled sulfur mustard (HD or HS; approximately 96% pure), a mustard-lewisite mixture (HL), an HD/agent T mixture (HT; a mixture of HD and nonvolatile agent T), and an HD/agent Q mixture (HQ; a mixture of HD and nonvolatile agent Q; agent Q is also known as sesqui-mustard).
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