Ethyl iodide
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| Ethyl iodide | |
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Iodoethane[1] |
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| Identifiers | |
| CAS number | 75-03-6  |
| PubChem | 6340 |
| ChemSpider | 6100 |
| EC number | 200-833-1 |
| ChEMBL | CHEMBL1232588  |
| RTECS number | KI4750000 |
| Beilstein Reference | 505934 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C2H5I |
| Molar mass | 155.97 g mol−1 |
| Appearance | Colourless liquid |
| Density | 1.940 g mL−1 |
| Melting point |
-111 °C, 162.05 K, -168 °F |
| Boiling point |
71-73 °C, 344.6-346.4 K, 161-164 °F |
| Solubility in water | 4 g L−1 (at 20 °C) |
| Solubility in ethanol | Miscible |
| Solubility in diethyl ether | Miscible |
| log P | 2.119 |
| Vapor pressure | 17.7 kPa |
| kH | 1.8 μmol Pa−1 kg−1 |
| Refractive index (nD) | 1.513–1.514 |
| Viscosity | 5.925 mPa s (at 20 °C) |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
−39.9–−38.3 kJ mol−1 |
| Std enthalpy of combustion ΔcH |
−1.4629–−1.4621 MJ mol−1 |
| Specific heat capacity, C | 109.7 J K−1 mol−1 |
| Hazards | |
| GHS pictograms |   |
| GHS signal word | DANGER |
| GHS hazard statements | H302, H315, H317, H319, H334, H335 |
| GHS precautionary statements | P261, P280, P305+351+338, P342+311 |
| EU classification |  Xn |
| R-phrases | R20, R36/37/38, R42/43 |
| S-phrases | S23, S26, S36/37, S45 |
| NFPA 704 |
 1
2
1
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| Flash point | 72 °C |
| LD50 | 330 g m−3 (oral, rat) |
| Related compounds | |
| Related alkanes | |
| Related compounds | |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Ethyl iodide (also iodoethane) is a colorless, flammable chemical compound. It has the chemical formula C2H5I and is prepared by heating ethanol with iodine and phosphorus.[2] On contact with air, especially on the effect of light, it decomposes and turns yellow or reddish from dissolved iodine.
Because iodide is a good leaving group, ethyl iodide is an excellent alkylating agent. It is also used as the hydrogen radical promoter.
References [edit]
- ^ "iodoethane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 29 February 2012.
- ^ Merck Index of Chemicals and Drugs, 9th ed., monograph 3753
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