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2 Li + C 4 H 9 X → C 4 H 9 Li + 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. 1-Fluorobutane can be obtained by reacting 1-bromobutane with potassium fluoride in ethylene glycol. [5]
2-Bromobutane is an isomer of 1-bromobutane. Both compounds share the molecular formula C 4 H 9 Br. 2-Bromobutane is also known as sec -butyl bromide or methylethylbromomethane. Because it contains bromine , a halogen, it is part of a larger class of compounds known as alkyl halides .
Bromobutane (molecular formula: C 4 H 9 Br, molar mass: 137.02 g/mol) may refer to either of two chemical compounds: 1-Bromobutane (n-butyl bromide) 2-Bromobutane (sec-butyl bromide or methylethylbromomethane)
C 2 H 5 Br: 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
Density: 1.22 g mL −1 (at 20 °C) [2] Melting point: −16.20 °C; 2.84 °F; 256.95 K ... tert-Butyl bromide (also referred to as 2-bromo-2-methylpropane) ...
2-Butyne is of interest to physical chemists because of its very low torsional barrier and the problem of determining that barrier using high-resolution infrared spectroscopy. Analysis of its infrared spectrum [ 3 ] leads to a determination that the torsional barrier is only 6 cm −1 (1.2 × 10 −22 J or 72 J mol −1 ).
Density and phase: 1.585 g/ml, liquid 1.587 g/ml, liquid solid Solubility in water: practically insoluble Melting point: 16–19 °C 18–21 °C
The hexynes are a subgroup from the group of alkynes.It consists of several isomeric compounds having the formula C 6 H 10.. The linear and branched members are: 1-Hexyne (n-butylacetylene)