Bromoethane
Bromoethane, also known as ethyl bromide, is a chemical compound of the haloalkanes group. It is abbreviated by chemists as EtBr (which is also used as an abbreviation for ethidium bromide). This volatile compound has an ether-like odor.
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| Names | |||
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| Preferred IUPAC name
Bromoethane | |||
| Other names
Ethyl bromide Monobromoethane | |||
| Identifiers | |||
3D model (JSmol) |
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| 1209224 | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| ECHA InfoCard | 100.000.751 | ||
| EC Number |
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| KEGG | |||
| MeSH | bromoethane | ||
PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 1891 | ||
CompTox Dashboard (EPA) |
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SMILES
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| Properties | |||
| C2H5Br | |||
| Molar mass | 108.966 g·mol−1 | ||
| Appearance | Colorless liquid | ||
| Odor | ether-like | ||
| Density | 1.46 g mL−1 | ||
| Melting point | −120 to −116 °C; −184 to −177 °F; 153 to 157 K | ||
| Boiling point | 38.0 to 38.8 °C; 100.3 to 101.8 °F; 311.1 to 311.9 K | ||
| 1.067 g/100 mL (0 °C) 0.914 g/100 mL (20 °C) 0.896 g/100 mL (30 °C) | |||
| Solubility | miscible with ethanol, ether, chloroform, organic solvents | ||
| log P | 1.809 | ||
| Vapor pressure | 51.97 kPa (at 20 °C) | ||
Henry's law constant (kH) |
1.3 μmol Pa−1 kg−1 | ||
Magnetic susceptibility (χ) |
-54.70·10−6 cm3/mol | ||
Refractive index (nD) |
1.4225 | ||
| Viscosity | 402 Pa.s (at 20 °C) | ||
| Thermochemistry | |||
Heat capacity (C) |
105.8 J K−1 mol−1 | ||
Std enthalpy of formation (ΔfH⦵298) |
−97.6–93.4 kJ mol−1 | ||
| Hazards | |||
| GHS labelling: | |||
| Danger | |||
| H225, H302, H332, H351 | |||
| P210, P281 | |||
| NFPA 704 (fire diamond) |
3
1
0 | ||
| Flash point | −23 °C (−9 °F; 250 K) | ||
| 511 °C (952 °F; 784 K) | |||
| Explosive limits | 6.75–11.25% | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
1.35 g kg−1 (oral, rat) | ||
LC50 (median concentration) |
26,980 ppm (rat, 1 hr) 16,230 ppm (mouse, 1 hr) 4681 ppm (rat) 2723 ppm (mouse) | ||
LCLo (lowest published) |
3500 ppm (mouse) 24,000 ppm (guinea pig, 30 min) 7000 ppm (guinea pig, >4.5 hr) | ||
| NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 200 ppm (890 mg/m3) | ||
REL (Recommended) |
None established | ||
IDLH (Immediate danger) |
2000 ppm | ||
| Related compounds | |||
Related alkanes |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
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