Puneet Varma (Editor)

1 Bromobutane

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Formula  C4H9Br
Appearance  Colourless liquid
Density  1.27 g/cm³
1-Bromobutane 1Bromobutane Wikipedia
Related alkanes  n-Propyl bromide 2-Bromopropane tert-Butyl bromide 2-Bromobutane 1-Bromohexane 2-Bromohexane

Haloalkanes 3 1 bromobutane preparation and purification

1-Bromobutane is the organobromine compound with the formula CH3(CH2)3Br. It is a colorless liquid, although impure samples appear yellowish. It is insoluble in water, but soluble in organic solvents. It is a primarily used as a source of the butyl group in organic synthesis. It is one of several isomers of butyl bromide.


1-Bromobutane 1Bromobutane CAS 109659 801602

Williamson ether synthesis using 1 bromobutane and potassium tert butoxide


It is prepared from butanol by treatment with hydrobromic acid]]:

CH3(CH2)3OH + HBr → CH3(CH2)3Br + H2O


1-Bromobutane Synthesis of BROMOBUTANE Nbutyl bromide PrepChemcom

As a primary haloalkane, it is prone to SN2 type reactions. It is commonly used as an alkylating agent. When combined with magnesium metal in dry ether, it gives the corresponding Grignard reagent. Such reagents are used to attach butyl groups to various substrates.

1-Bromobutane is the precursor to n-butyllithium:

2 Li + C4H9X → C4H9Li + LiX where X = Cl, Br 1-Bromobutane wwwchemsynthesiscommolimg1big66423gif

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.

1-Bromobutane 1bromobutane Kovats Retention Index
1-Bromobutane 1bromobutane ChemSink
1-Bromobutane File1bromobutanesvg Wikimedia Commons


1-Bromobutane Wikipedia

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