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Bromocyclopentane

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Bromocyclopentane Basic information

Product Name:
Bromocyclopentane
CAS:
137-43-9
MF:
C5H9Br
MW:
149.03
EINECS:
205-294-6
Mol File:
137-43-9.mol
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Bromocyclopentane Chemical Properties

Boiling point:
137-139 °C(lit.)
Density 
1.39 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.4881(lit.)
Flash point:
95 °F
storage temp. 
Store at R.T.
form 
Liquid
color 
Clear yellow to light brown
Specific Gravity
1.39
Water Solubility 
Immiscible with water.
BRN 
1209256
Stability:
Stable. Flammable. Incompatible with strong oxidizing agents, strong bases.
InChIKey
BRTFVKHPEHKBQF-UHFFFAOYSA-N
CAS DataBase Reference
137-43-9(CAS DataBase Reference)
NIST Chemistry Reference
Cyclopentane, bromo-(137-43-9)
EPA Substance Registry System
Cyclopentane, bromo- (137-43-9)
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Safety Information

Risk Statements 
10
Safety Statements 
23-24/25-16
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
8
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29035990

MSDS

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Bromocyclopentane Usage And Synthesis

Chemical Properties

Colorless to yellow liquid

Uses

Bromocyclopentane, also known as Cyclopentyl Bromide, is an alkyl halide and a light yellow or colorless liquid at standard pressure and temperature. Bromocyclopentane is a precursor used in the preparation of cyclopentene and cyclopentanol. It is a fatty bromide, which is used as a solvent. It can be used an intermediate for the preparation of surfactant and pharmaceuticals and other organic compounds.

Reactions

Bromocyclopentane (22.0 g, 0.15 mol) was added to a soln of NaNO2 (18 g, 0.26 mol) in dry DMSO (100 mL) at 15 ℃ and the mixture was stirred at this temperature for 3 h. The mixture was poured into ice water (250 mL) and extracted with petroleum ether (bp 35-37 ℃; 4 × 50 mL). The combined organic extracts were washed with H2O (4× 50 mL), dried (MgSO4), and concentrated under reduced pressure. The residue was distilled to give Nitrocyclopentane; yield: 9.9 g (58%); bp 62 ℃/8 Torr; nD/20 1.4538.
Synthesis of Nitrocyclopentane
Synthesis of Nitrocyclopentane

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