mercaptan definition

  • noun:
    • A sulfur-containing organic mixture aided by the general formula RSH in which roentgen is any radical, particularly ethyl mercaptan, C2H5SH. Also called thiol.
    • any one of a class of organic substances of sulphur, ( R1.S.R2 ); they tend to-be foul-smelling. When R2 is a hydrogen atom, these are typically termed thiols or thioalcohols.
    • anyone of series of compounds having an -SH radical attached to a carbon atom, also considered as hydrosulphides of alcohol radicals, in composition resembling the alcohols, but containing sulphur in the place of oxygen, and hence called in addition the sulphur alcohols. As a whole, they're colorless fluids having a solid, repulsive, garlic smell. Title is particularly placed on ethyl mercaptan, C2H5SH. So called from the avidity for mercury, also metals.
    • among a course of compounds analogous to alcohols, when the group SH takes the area of hydroxyl.

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