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| CAS No.: | 137-43-9 |
|---|---|
| Name: | Bromocyclopentane |
| Article Data: | 59 |
| Molecular Structure: | |
|
|
|
| Formula: | C5H9Br |
| Molecular Weight: | 149.03 |
| Synonyms: | Cyclopentane,bromo-;Cyclopentyl bromide;NSC 1110;AI3-23448; |
| EINECS: | 205-294-6 |
| Density: | 1.445 g/cm3 |
| Melting Point: | 137-139ºC |
| Boiling Point: | 135 °C at 760 mmHg |
| Flash Point: | 35 °C |
| Solubility: | Immiscible with water. |
| Appearance: | colorless to yellow liquid |
| Hazard Symbols: | R10:; |
| Risk Codes: | 10 |
| Safety: | 23-24/25-16 |
| Transport Information: | UN 1993 3/PG 3 |
| PSA: | 0.00000 |
| LogP: | 2.32390 |
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| Conditions | Yield |
|---|---|
| With bromine; aluminium trichloride; Acetyl bromide In pentane at 0℃; for 1.83333h; | 100% |
| With bromine; aluminium trichloride; Acetyl bromide In pentane at 0℃; for 1.83333h; Product distribution; ionic bromination of other cycloalkanes and n-alkanes with various catalysts and at different temperatures; | 100% |
| With bromine; sodium t-butanolate In cyclohexane Heating; | 100% |
| Conditions | Yield |
|---|---|
| With 18-crown-6 ether; potassium bromide Product distribution; Substitution; elimination; | A 89% B 100% C 1.5% D 3.5% |
| Conditions | Yield |
|---|---|
| With t-butyl bromide; n-pentylmethylimidazolium bromide for 2h; sonication; | 82% |
| With sulfuric acid; hydrogen bromide at 100℃; | |
| With hydrogen bromide at 100℃; |
| Conditions | Yield |
|---|---|
| With [FeIV(1,1-di(pyridin-2-yl)-N,N-bis(quinolin-2-ylmethyl)methanamine)(O)]2+; [FeII(1,1-di(pyridin-2-yl)-N,N-bis(quinolin-2-ylmethyl)methanamine)(Br)]Br In acetonitrile at 25℃; for 0.5h; Inert atmosphere; Glovebox; | A 52% B n/a |
| Conditions | Yield |
|---|---|
| With hydrogen bromide |
- 75-62-7
Bromotrichloromethane
- 185-94-4
bicyclo[2.1.0]pentane
A
- 137-43-9
Cyclopentyl bromide
B
- 1781-66-4
cyclopent-3-enyl bromide
- 17827-32-6, 19640-06-3
trans-1-bromo-2-(trichloromethyl)cyclopentane
- 10230-26-9
trans-1,2-dibromocyclopentane
- 14376-82-0, 37722-39-7, 89180-35-8
trans-1-bromo-2-chlorocyclopentane
- 14376-82-0, 37722-39-7, 89180-35-8
cis-1-bromo2-chlorocyclopentane
| Conditions | Yield |
|---|---|
| for 4h; Product distribution; Mechanism; Ambient temperature; Irradiation; Effect of added t-butyl hypochlorite; |
- 287-92-3
Cyclopentane
A
- 123-56-8
Succinimide
B
- 137-43-9
Cyclopentyl bromide
C
- 3234-49-9
1,2-dibromopentane
D
- 18926-24-4
3-bromopropanoyl isocyanate
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide; cyclohexane In acetonitrile at 23℃; for 16h; Product distribution; Mechanism; Irradiation; Effect of solvent on the Relative Rates of Bromination; Effect of Added Bromine; Effect of Added Olefine (C2H4); |
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide; bromine In dichloromethane; cyclohexane at 15℃; Product distribution; Mechanism; Irradiation; relative reactivity; other cycloalkanes; other bromination agents; var temp.; | A 37.6 % Chromat. B 13.7 % Chromat. |
| With hydrogen bromide; dihydrogen peroxide In water at 50℃; for 6h; Irradiation; | A 64.3 %Spectr. B 15 %Spectr. |
| Conditions | Yield |
|---|---|
| With iodobenzene; tetrabutylammomium bromide In tetrachloromethane; acetonitrile at 25℃; Rate constant; |
- 185-94-4
bicyclo[2.1.0]pentane
A
- 137-43-9
Cyclopentyl bromide
B
- 68479-47-0
cis-1,3-dibromocyclopentane
- 10230-26-9
trans-1,2-dibromocyclopentane
- 68479-48-1
trans-1,3-dibromocyclopentane
| Conditions | Yield |
|---|---|
| With bromine In tetrachloromethane at 0℃; Product distribution; Mechanism; |
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Chemistry
Molecule structure of Bromocyclopentane (CAS NO.137-43-9):
IUPAC Name: Bromocyclopentane
Molecular Weight: 149.02896 g/mol
Molecular Formula: C5H9Br
Density: 1.445 g/cm3
Boiling Point: 135 °C at 760 mmHg
Flash Point: 35 °C
Index of Refraction: 1.51
Molar Refractivity: 30.84 cm3
Molar Volume: 103 cm3
Surface Tension: 35.4 dyne/cm
Enthalpy of Vaporization: 35.71 kJ/mol
Vapour Pressure: 9.73 mmHg at 25 °C
Storage Temp.: store at R.T.
Stability: stable. flammable. incompatible with strong oxidizing agents, strong bases.
XLogP3-AA: 2.3
Exact Mass: 147.988763
MonoIsotopic Mass: 147.988763
Canonical SMILES: C1CCC(C1)Br
InChI: InChI=1S/C5H9Br/c6-5-3-1-2-4-5/h5H,1-4H2
InChIKey: BRTFVKHPEHKBQF-UHFFFAOYSA-N
EINECS: 205-294-6
Product Categories: Pharmaceutical Intermediates; CHLORO ALKANE COMPOUNDS
Uses
Bromocyclopentane (CAS NO.137-43-9) is used as a solvent. It is used as an intermediate to manufacture surfactant, pharmaceuticals and other organic compounds.
Safety Profile
Risk Statements: 10
R10:Flammable.
Safety Statements: 23-24/25-16
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
S16:Keep away from sources of ignition.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
F: 8
HazardClass: 3
PackingGroup: III
HS Code: 29035990
Standards and Recommendations
APPEARANCE: clear to yellow liquid
CONTENT: 98.0% min
WATER: 0.1% max
Specification
Bromocyclopentane (CAS NO.137-43-9) is also named as AI3-23448 ; Cyclopentyl bromide ; NSC 1110 ; Cyclopentane, bromo- . Bromocyclopentane (CAS NO.137-43-9) is colorless to yellow liquid.