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Reference.org
Sulfanyl
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<p>Sulfanyl (HS•), also known as the mercapto radical, hydrosulfide radical, or hydridosulfur, is a simple <a href="/facts/Radical_(chemistry)/qFymuVoT">radical</a> molecule consisting of one hydrogen and one sulfur atom. The S-H distance in the radical is 0.134 nm. The radical is also proposed to be formed by the action of <a href="/facts/Ultraviolet_radiation/kncBUqn5">ultraviolet radiation</a> on hydrogen sulfide. A <a href="/facts/Wavelength/kcJU0ymz">wavelength</a> of 190 nm gives maximum absorption. </p>