Difference between revisions of "Mercurous chloride"
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== Description == | == Description == | ||
| − | An odorless, white crystalline powder. Mercurous chloride, commonly known as calomel, has been used for many years as an [ | + | An odorless, white crystalline powder. Mercurous chloride, commonly known as calomel, has been used for many years as an [[insecticide|insecticide]], disinfectant, and [[desiccant|desiccant]]. It is used to make calomel paper, calomel electrodes, and as a [[fungicide|fungicide]]. Mercurous chloride is also used with [[gold|gold]] for [[amalgam%20gilding|mercury gilding]] on [[porcelain|porcelain]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:00, 9 May 2016
Description
An odorless, white crystalline powder. Mercurous chloride, commonly known as calomel, has been used for many years as an Insecticide, disinfectant, and Desiccant. It is used to make calomel paper, calomel electrodes, and as a Fungicide. Mercurous chloride is also used with Gold for mercury gilding on Porcelain.
Synonyms and Related Terms
calomel; mild mercury chloride; mercury monochloride; mercury protochloride; mercury subchloride; precipite' blanc; Calogreen
Other Properties
Insoluble in water, ethanol, ether and cold dilute acids. Blackens with exposure to light, ammonia, and alkalis.
| Composition | Hg2Cl2 |
|---|---|
| CAS | 10112-91-1 |
| Melting Point | 302 |
| Density | 7.15 |
| Molecular Weight | mol. wt. = 472.09 |
| Boiling Point | 384 |
Hazards and Safety
Highly toxic by ingestion, inhalation and skin absorption.
International Chemical Safety Card
Sources Checked for Data in Record
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5951
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993