Difference between revisions of "Mercuric oxide, red"
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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 [ | + | 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 | ||
| − | + | == 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: [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) |
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! 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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| − | == | + | ==Resources and Citations== |
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* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5719 | * ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 5719 | ||
Latest revision as of 13:35, 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