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Names | |||
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Preferred IUPAC name
Bromoethane[2] | |||
Other names | |||
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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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 | ||
-54.70·10−6 cm3/mol | |||
Refractive index (nD)
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1.4225 | ||
Viscosity | 402 Pa.s (at 20 °C) | ||
Thermochemistry | |||
Heat capacity (C)
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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) | |||
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)
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1.35 g kg−1 (oral, rat) | ||
LC50 (median concentration)
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26,980 ppm (rat, 1 hr) 16,230 ppm (mouse, 1 hr) 4681 ppm (rat) 2723 ppm (mouse)[3] | ||
LCLo (lowest published)
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3500 ppm (mouse) 24,000 ppm (guinea pig, 30 min) 7000 ppm (guinea pig, >4.5 hr)[3] | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible)
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TWA 200 ppm (890 mg/m3)[1] | ||
REL (Recommended)
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None established[1] | ||
IDLH (Immediate danger)
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2000 ppm[1] | ||
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).
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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.