1-Bromopropane
1-Bromopropane (n-propylbromide or nPB) is an organobromine compound with the chemical formula CH3CH2CH2Br. It is a colorless liquid that is used as a solvent. It has a characteristic hydrocarbon odor. Its industrial applications increased dramatically in the 21st century due to the phasing out of chlorofluorocarbons and chloroalkanes such as 1,1,1-Trichloroethane under the Montreal Protocol.
Names | |
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Preferred IUPAC name
1-Bromopropane | |
Other names
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Identifiers | |
3D model (JSmol) |
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Abbreviations | n-PB |
505936 | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.003.133 |
EC Number |
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MeSH | 1-bromopropane |
PubChem CID |
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RTECS number |
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UNII | |
UN number | 2344 |
CompTox Dashboard (EPA) |
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SMILES
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Properties | |
C3H7Br | |
Molar mass | 122.993 g·mol−1 |
Appearance | Colorless liquid |
Density | 1.354 g mL−1 |
Melting point | −110.5 °C; −166.8 °F; 162.7 K |
Boiling point | 70.3 to 71.3 °C; 158.4 to 160.2 °F; 343.4 to 344.4 K |
2.5 g L−1 (at 20 °C) | |
Solubility in ethanol | Miscible |
Solubility in diethyl ether | Miscible |
log P | 2.319 |
Vapor pressure | 19.5 kPa (at 20 °C) |
Henry's law constant (kH) |
1.4 μmol Pa−1 kg−1 |
Refractive index (nD) |
1.43414 |
Viscosity | 5.241 mPa s (at 20 °C) |
Thermochemistry | |
Heat capacity (C) |
134.6 J K−1 mol−1 |
Std enthalpy of formation (ΔfH⦵298) |
−125.8 to −123.0 kJ mol−1 |
Std enthalpy of combustion (ΔcH⦵298) |
−2.0580 to −2.0552 MJ mol−1 |
Hazards | |
GHS labelling: | |
Danger | |
H225, H315, H319, H335, H336, H360, H373 | |
P201, P210, P261, P305+P351+P338, P308+P313 | |
NFPA 704 (fire diamond) |
2
3
0 |
Flash point | 22 °C (72 °F; 295 K) |
490 °C (914 °F; 763 K) | |
Explosive limits | 4.6–?% |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
2.950 mg kg−1 (intraperitoneal, rat) |
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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