Difference between revisions of "Mercuric iodide"
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mercury (II) iodide; red mercury iodide; iodine scarlet; royal scarlet; brilliant scarlet; pure scarlet | mercury (II) iodide; red mercury iodide; iodine scarlet; royal scarlet; brilliant scarlet; pure scarlet | ||
| − | + | == Risks == | |
| − | == | + | * Highly toxic by ingestion, inhalation and skin absorption. |
| + | * Sensitive to light. | ||
| + | * Fisher Scientific: [https://fscimage.fishersci.com/msds/00948.htm MSDS] | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Soluble in hot ethanol, acetone and ethyl acetate. Slightly soluble in ether, chloroform, carbon disulfide. Insoluble in water. | Soluble in hot ethanol, acetone and ethyl acetate. Slightly soluble in ether, chloroform, carbon disulfide. Insoluble in water. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 259 | + | | 259 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 6.28 | + | | 6.28 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | ~350 | + | | ~350 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | |||
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| − | |||
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| − | |||
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Latest revision as of 12:30, 18 October 2022
Description
A dense, bright red powder that is used as a paint preservative. Mercuric iodide was used for a short period in the early 19th century as a red pigment but it fades to yellow in sunlight.
Synonyms and Related Terms
mercury (II) iodide; red mercury iodide; iodine scarlet; royal scarlet; brilliant scarlet; pure scarlet
Risks
- Highly toxic by ingestion, inhalation and skin absorption.
- Sensitive to light.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in hot ethanol, acetone and ethyl acetate. Slightly soluble in ether, chloroform, carbon disulfide. Insoluble in water.
| Composition | HgI2 |
|---|---|
| CAS | 7774-29-0 |
| Melting Point | 259 C |
| Density | 6.28 g/ml |
| Molecular Weight | mol. wt. = 454.399 |
| Refractive Index | 2.748, 2.455 |
| Boiling Point | ~350 C |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5932
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: 'Pigment'
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- R.D. Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=2.748, 2.455