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Mercuric sulphide
1. HgS The black variety is a poisonous powder; insoluble in water, alcohol, and nitric acid, soluble in sodium sulphide solution; sublimes at 583_C; used as a pigment. Also known as black mercury sulfide; ethiops mineral. 2. 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.
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- Part of Speech: noun
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- Industry/Domain: Chemistry
- Category: Inorganic chemistry
- Company: McGraw-Hill
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