1-Bromobutane: Difference between revisions
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| Section2 = {{Chembox Properties |
| Section2 = {{Chembox Properties |
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| C=4|H=9|Br=1 |
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| MolarMass = 134.02 g/mol |
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| Density = 1.2686 g/cm³, liquid |
| Density = 1.2686 g/cm³, liquid |
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| MeltingPtC = -112 |
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| BoilingPtC = 101.4 |
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| Section7 = {{Chembox Hazards |
| Section7 = {{Chembox Hazards |
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Revision as of 21:23, 27 January 2010
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| Names | |
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| IUPAC name
1-Bromobutane
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| Other names
Butyl bromide
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.003.357 |
CompTox Dashboard (EPA)
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| Properties | |
| C4H9Br | |
| Molar mass | 137.020 g·mol−1 |
| Density | 1.2686 g/cm³, liquid |
| Melting point | −112 °C (−170 °F; 161 K) |
| Boiling point | 101.4 °C (214.5 °F; 374.5 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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1-Bromobutane (CH3(CH2)2CH2Br) is a colorless liquid that is insoluble in water, but soluble in ethanol and diethyl ether. As a primary alkyl halide, it is especially prone to SN2 type reactions. It is commonly used as an alkylating agent, or in combination with magnesium metal in dry ether (Grignard reagent) to form carbon-carbon bonds.
1-Bromobutane may also be used to form other organometallic compounds, such as n-butyllithium:[1]
- 2 Li + C4H9X → C4H9Li + LiX
- where X = Cl, Br
The lithium for this reaction contains 1-3% sodium. When bromobutane is the precursor, the product is a homogeneous solution, consisting of a mixed cluster containing both LiBr and LiBu.
References
- ^ Brandsma, L.; Verkraijsse, H. D. (1987). Preparative Polar Organometallic Chemistry I. Berlin: Springer-Verlag. ISBN 3-540-16916-4.
{{cite book}}: CS1 maint: multiple names: authors list (link)
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