Mercuric oxide, red: Difference between revisions

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== Description ==
== Description ==


A dense orangish-red powder that turns yellow when finely powdered. Red mercuric oxide is used industrially as an [http://cameo.mfa.org/materials/fullrecord.asp?name=abrasive abrasive] and as a biological [http://cameo.mfa.org/materials/fullrecord.asp?name=growth regulator growth inhibitor ]in marine paints. It is also used as a colorant for ceramic glazes.
A dense orangish-red powder that turns yellow when finely powdered. Red mercuric oxide is used industrially as an [[abrasive|abrasive]] and as a biological [[growth%20regulator|growth inhibitor ]]in marine paints. It is also used as a colorant for ceramic glazes.


== Synonyms and Related Terms ==
== Synonyms and Related Terms ==
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red precipitate; red mercury oxide; peroxide of mercury
red precipitate; red mercury oxide; peroxide of mercury


[[[SliderGallery rightalign|mercuric oxide, red.jpg~Chemical structure]]]
== Risks ==


== Other Properties ==
* Highly toxic by ingestion, inhalation and skin absorption. 
* Fire risk when in contact with organic materials. 
* Decomposes with light or heat to produce toxic fumes. 
* Fisher Scientific: [https://www.fishersci.com/shop/products/mercury-ii-oxide-red-99-thermo-scientific/AC199991000 SDS]
== Physical and Chemical Properties ==


Soluble in dilute hydrochloric acid and nitric acid. Insoluble in water, ethanol and ether.
Soluble in dilute hydrochloric acid and nitric acid. Insoluble in water, ethanol and ether.
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|-
! scope="row"| Melting Point
! scope="row"| Melting Point
| 500 (dec)
| 500 C (dec)
|-
|-
! scope="row"| Density
! scope="row"| Density
| 11.00-11.29
| 11.00-11.29 g/ml
|-
|-
! scope="row"| Molecular Weight
! scope="row"| Molecular Weight
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|}
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== Hazards and Safety ==
==Resources and Citations==


Highly toxic by ingestion, inhalation and skin absorption.  Fire risk when in contact with organic materials.  Decomposes with light or heat to produce toxic fumes.   
* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5719


LINK: [http://www.cdc.gov/niosh/ipcsneng/neng0981.html International Chemical Safety Card]
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 502


== Authority ==
* Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
 
* Susan Budavari (ed.), ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 5719
 
* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 502
 
* Susan E. Schur, Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, ''Technology and Conservation'', Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985






[[Category:Materials database]]
[[Category:Materials database]]

Latest revision as of 14:35, 18 October 2022

Description

A dense orangish-red powder that turns yellow when finely powdered. Red mercuric oxide is used industrially as an abrasive and as a biological growth inhibitor in marine paints. It is also used as a colorant for ceramic glazes.

Synonyms and Related Terms

red precipitate; red mercury oxide; peroxide of mercury

Risks

  • Highly toxic by ingestion, inhalation and skin absorption.
  • Fire risk when in contact with organic materials.
  • Decomposes with light or heat to produce toxic fumes.
  • Fisher Scientific: SDS

Physical and Chemical Properties

Soluble in dilute hydrochloric acid and nitric acid. Insoluble in water, ethanol and ether.

Composition HgO
CAS 21908-53-2
Melting Point 500 C (dec)
Density 11.00-11.29 g/ml
Molecular Weight mol. wt. = 216.61

Resources and Citations

  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5719
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 502
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985