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| Names | |
|---|---|
| Preferred IUPAC name
Arsenic triiodide | |
| Systematic IUPAC name
Triiodoarsane | |
| Other names
Arsenic(III) iodide
Arsenous iodide | |
| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.029.153 |
| EC Number |
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PubChem CID
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| RTECS number |
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| AsI3 | |
| Molar mass | 455.635 g/mol |
| Appearance | orange-red crystalline solid |
| Density | 4.69 g/cm3 |
| Melting point | 146 °C (295 °F; 419 K) |
| Boiling point | 403 °C (757 °F; 676 K) |
| 6 g/100 mL | |
| Solubility | soluble in alcohol, ether, CS2 dissolves in chloroform, benzene, toluene |
| -142.0·10−6 cm3/mol | |
Refractive index (nD)
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2.23 |
| Structure | |
| Rhombohedral, hR24, SpaceGroup = R-3, No. 148 | |
| Hazards | |
| NIOSH (US health exposure limits): | |
PEL (Permissible)
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[1910.1018] TWA 0.010 mg/m3[1] |
REL (Recommended)
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Ca C 0.002 mg/m3 [15-minute][1] |
IDLH (Immediate danger)
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Ca [5 mg/m3 (as As)][1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Arsenic triiodide is the inorganic compound with the formula AsI3.[2][3][4][5] It is an orange to dark red solid[2][3] that readily sublimes. It is a pyramidal molecule that is useful for preparing organoarsenic compounds.
- ^ a b c NIOSH Pocket Guide to Chemical Hazards. "#0038". National Institute for Occupational Safety and Health (NIOSH).
- ^ a b "Arsenic triiodide - Hazardous Agents | Haz-Map". haz-map.com. Retrieved 2023-01-20.
- ^ a b "T3DB: Arsenic triiodide". www.t3db.ca. Retrieved 2023-01-20.
- ^ "arsenic triiodide". webbook.nist.gov. Retrieved 2023-01-20.
- ^ PubChem. "Arsenic triiodide". pubchem.ncbi.nlm.nih.gov. Retrieved 2023-01-20.