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2-Bromopentane

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Identification
Molecular formula
C5H11Br
CAS number
107-81-3
IUPAC name
2-bromopentane
State
State

At room temperature, 2-bromopentane is a liquid. This compound is typically handled and stored in liquid form under normal laboratory conditions.

Melting point (Celsius)
-110.00
Melting point (Kelvin)
163.15
Boiling point (Celsius)
122.00
Boiling point (Kelvin)
395.15
General information
Molecular weight
151.05g/mol
Molar mass
151.0470g/mol
Density
1.2179g/cm3
Appearence

2-Bromopentane is a colorless liquid, although impurities can sometimes impart a slight yellow tint. It is a clear and volatile substance, often used in organic synthesis. The liquid is typically transparent and has a characteristic odor.

Comment on solubility

Solubility of 2-Bromopentane

2-bromopentane, with the chemical formula C5H11Br, exhibits unique solubility characteristics due to its molecular structure. As an organic halide, its solubility is influenced by several factors:

  • Polarity: The presence of bromine, a halogen, contributes to the partial polarity of the molecule. However, compared to water, 2-bromopentane is largely nonpolar.
  • Solvent Interaction: Being a substance with a relatively low polar character, 2-bromopentane is more soluble in organic solvents such as:
    • Hexane
    • Diethyl ether
    • Chloroform
  • Water Solubility: 2-bromopentane has limited solubility in water due to the lack of strong hydrogen bonding, generally making it insoluble or having very low solubility.

In summary, while 2-bromopentane does not dissolve well in polar solvents like water, it is quite favorable in nonpolar organic solvents, aligning with the principle of “like dissolves like.”
This attribute is crucial for its applications in synthetic reactions and extractions in organic chemistry.

Interesting facts

Interesting Facts about 2-Bromopentane

2-Bromopentane is a fascinating organic compound with a variety of applications in both industry and research. Here are some engaging facts about this compound:

  • Alkyl Halide: 2-Bromopentane is classified as a primary alkyl halide due to the presence of a bromine atom attached to the second carbon of the pentane chain. This structure significantly influences its reactivity and properties.
  • Kinetic Studies: The compound is often used in kinetic studies of nucleophilic substitution reactions. As bromine is a good leaving group, it allows chemists to examine reaction mechanisms more effectively.
  • Asymmetric Synthesis: 2-Bromopentane can serve as a precursor in asymmetric synthesis techniques. It can be transformed into various other compounds, enabling the creation of complex molecules in pharmaceuticals.
  • Solvent Properties: Due to its moderate polarity, 2-Bromopentane can act as a solvent for various organic reactions, contributing to its versatility in laboratory settings.
  • Chirality: The compound has two stereoisomers—(R)-2-bromopentane and (S)-2-bromopentane. The study of these isomers is crucial in understanding stereochemistry and its implications in biological systems.

In summary, 2-bromopentane is not just another alkyl halide; it plays a vital role in organic chemistry and industrial applications. Its unique properties and applications make it an interesting subject of study for both students and professionals alike.

Synonyms
2-BROMOPENTANE
107-81-3
Pentane, 2-bromo-
2-Pentyl bromide
(+/-)-2-Bromopentane
NSC 7896
130321-66-3
EINECS 203-521-3
UN2343
BRN 1718829
1-methylbutyl bromide
MFCD00000160
sec-amyl bromide
DTXSID90870456
4-01-00-00312 (Beilstein Handbook Reference)
UN 2343
2-BROMOPENTANE, (FLAMMABLE LIQUID)
2-BROMOPENTANE, [FLAMMABLE LIQUID]
2Pentyl bromide
2-bromo-pentane
2-amyl bromide
Pentane, 2bromo
2-bromanylpentane
2-PENTYLBROMIDE
2-Bromopentane, 95%
SCHEMBL83800
2-Bromopentane (high purity)
(+-)-2-BROMOPENTANE
DTXCID10818178
NSC7896
WLN: EY3 & 1
(.+-.)-2-BROMOPENTANE
NSC-7896
BR1101
AKOS009157296
BS-22426
B0232
NS00041139
EN300-98886
2-Bromopentane [UN2343] [Flammable liquid]
2-Bromopentane, contains ~12% 3-Bromopentane
A801760
203-521-3