Levenstein mustard

The blister agents are labeled H, HD, and HT. The active ingredient, mustard, in all these blister agents is bis(2-chloroethyl) sulfide, (C1CH2CH2)2S. HD, called distilled mustard, is nominally pure mustard. H, often called Levenstein mustard, is approximately 70 percent mustard and 30 per cent impurities, which tend to be poly sulfides such as (ClCH2CH2)2Sn, where n > 2. HT contains 67 per cent mustard and 22 percent T, (C1CH2CH2SCH2CH2)20, and minor components. 

Sulfur mustard was developed in Germany and initially used as a warfare agent (as Levenstein mustard) during World... 

The usual method for making mustard gas in the United States is called the Levenstein process. In this process, ethylene gas (CH2=CH2) is bubbled through sulfur chloride (S2C12), a yellowish-red oil with a very strong odor. In Germany and other nations, the compound is made hy treating the organic compound a -dihydroxyethyl sulfide with hydrochloric acid. 

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