mercuric sulfide


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mercuric sulfide

[mər′kyu̇r·ik ′səl‚fīd]
(inorganic chemistry)
HgS
The black variety is a poisonous powder; insoluble in water, alcohol, and nitric acid, soluble in sodium sulfide solution; sublimes at 583°C; used as a pigment. Also known as black mercury sulfide; ethiops mineral.
The red variety is a poisonous powder; insoluble in water and alcohol; sublimes at 446°C; used as a medicine and pigment. Also known as Chinese vermilion; quicksilver vermilion; red mercury sulfide; vermilion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Mercuric sulfide, HgS, is a substance with very limited water solubility, although the solubility can be affected by pH and by the presence of dissolved organic matter (Ravichandran et al., 1998).
Enhanced dissolution of cinnabar (mercuric sulfide) by dissolved organic matter isolated from the Florida Everglades.