Names | |
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IUPAC name Iodomercury; triiodoarsane | |
Other names Liquor hydriodatis arsenici et hydrargyri | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
PubChem CID | |
RTECS number |
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UN number | 1557 |
CompTox Dashboard (EPA) | |
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Properties | |
AsHgI4 | |
Molar mass | 783.12948 |
Appearance | Clear, colourless, or pale yellow. Darkens with age. |
Boiling point | 403 °C (757 °F; 676 K) at 760 mmHg |
Yes | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards | Toxic |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Donovan's solution is an inorganic compound prepared from arsenic triiodide and mercuric iodide. [1] Despite its name, it is a compound and not a solution.
Donovan's solution can be prepared by mixing arsenic triiodide, mercuric iodide, and sodium bicarbonate in aqueous solution. [2] [3]
Cooley's cyclopædia of practical receipts and ... information on the arts, manufactures, and trades gives a more complex method. [4]
The solution has been used in veterinary medicine to treat chronic diseases of the skin [3] and as a folk remedy. [5] It was used during the 19th century to treat lepra vulgaris [6] and psoriasis [7] [8] in humans, taken internally.