Difference between revisions of "Calomel"

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== Description ==
 
== Description ==
  
A brownish-white ore containing [[mercurous chloride]]. Calomel is also used to refer to pure mercurous chloride. It has been used as a [[fungicide]] and [[insecticide]].
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A brownish-white ore containing [[mercurous chloride]]. The name 'Calomel' is also used to refer to pure mercurous chloride. It has been used as a [[fungicide]], [[insecticide]], and topical anesthetic.  One Peruvian cabinet decorated with mopa-mopa, was found to contain calomel as a white pigment (Newman 2015).
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
mercurous chloride; mercury subchloride; mercury monochloride; mercury protochloride; precipité blanc; Calogreen; Cyclosan, M-C Turf fungicide; calomel (Fr.); calomelano (Esp., Port.); Calomel (Deut.)
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mercury chloride; mercurous chloride; mercury subchloride; mercury monochloride; mercury protochloride; precipité blanc; Calogreen; Cyclosan, M-C Turf fungicide; calomel (Fr.); calomelano (Esp., Port.); Calomel (Deut.)
  
 
[[[SliderGallery rightalign|calomel.jpg~Chemical structure]]]
 
[[[SliderGallery rightalign|calomel.jpg~Chemical structure]]]
  
== Other Properties ==
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== Risks ==
  
Tabular crystals or mass.  Cleavage = good in one direction.  Luster =  adamantine
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* Toxic by ingestion, inhalation and skin absorption. 
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* echemi: [https://www.echemi.com/sds/calomel-pid_Rock20677.html SDS]
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==Physical and Chemical Properties==
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* Tabular crystals or mass.   
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* Cleavage = good in one direction.   
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* Luster =  adamantine  
  
 
{| class="wikitable"
 
{| class="wikitable"
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|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 7.15
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| 7.15 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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|}
 
|}
  
== Hazards and Safety ==
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==Resources and Citations==
 
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* R. Newman, E. Kaplan, M. Derrick, “Mopa mopa: Scientific analysis and history of an unusual South American resin used by the Inka and artisans in Pasto, Colombia,” Journal of the American Institute for Conservation 54 (2015): 123-148.
Toxic by ingestion, inhalation and skin absorption.
 
 
 
LINK: [http://www.cdc.gov/niosh/ipcsneng/neng0984.html International Chemical Safety Card]
 
 
 
== Authority ==
 
  
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 5957
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 5957

Latest revision as of 14:11, 18 May 2022

Description

A brownish-white ore containing Mercurous chloride. The name 'Calomel' is also used to refer to pure mercurous chloride. It has been used as a Fungicide, Insecticide, and topical anesthetic. One Peruvian cabinet decorated with mopa-mopa, was found to contain calomel as a white pigment (Newman 2015).

Synonyms and Related Terms

mercury chloride; mercurous chloride; mercury subchloride; mercury monochloride; mercury protochloride; precipité blanc; Calogreen; Cyclosan, M-C Turf fungicide; calomel (Fr.); calomelano (Esp., Port.); Calomel (Deut.)

Chemical structure

Calomel.jpg


Risks

  • Toxic by ingestion, inhalation and skin absorption.
  • echemi: SDS

Physical and Chemical Properties

  • Tabular crystals or mass.
  • Cleavage = good in one direction.
  • Luster = adamantine
Composition Hg2Cl2
CAS 10112-91-1
Mohs Hardness 1.5
Density 7.15 g/ml
Molecular Weight mol. wt. = 472.09
Refractive Index 1.9-2.0; 2.6-2.7

Resources and Citations

  • R. Newman, E. Kaplan, M. Derrick, “Mopa mopa: Scientific analysis and history of an unusual South American resin used by the Inka and artisans in Pasto, Colombia,” Journal of the American Institute for Conservation 54 (2015): 123-148.
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5957
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 200
  • 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