- Cyclopentene
- Cyclopentene oxide
- Cyclopentene, 3-butyl-
- Cyclopentene, 3-ethyl-
- Cyclopentene, 3-methyl-
- Cyclopentene, 4-methyl-
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- Cyclopentene,1,2-dimethyl-
- Cyclopentene,3-(trimethylsilyl)-
- Cyclopentene,3,3,4,4,5,5-hexafluoro-
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Cas Database |
| Name |
Cyclopentene oxide |
EINECS | 206-005-6 |
| CAS No. | 285-67-6 | Density | 1.071 g/cm3 |
| PSA | 12.53000 | LogP | 0.93770 |
| Solubility | Immiscible with water. | Melting Point |
136-137 °C |
| Formula | C5H8O | Boiling Point | 102 °C at 760 mmHg |
| Molecular Weight | 84.1179 | Flash Point | 10 °C |
| Transport Information | UN 1993 3/PG 2 | Appearance | Clear colorless to very faintly yellow liquid |
| Safety | 16-26-36-36/37/39 | Risk Codes | 11-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 F, Xi
|
| Synonyms |
1,2-Epoxycyclopentane;Cyclopentane, 1,2-epoxy-;Cyclopentene epoxide;Epoxycyclopentane;NSC 148216;NSC 196230;cis-1,2-Epoxycyclopentane; |
Article Data | 74 |
Cyclopentene oxide Synthetic route
| Conditions | Yield |
|---|---|
| With [NiII(tetrakis(2,6-di(n-butoxy)phenyl)porphyrinato)]; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Schlenk technique; | 100% |
| With dihydrogen peroxide; teterabutylammonium In acetonitrile at 31.85℃; for 3h; | 99% |
| With tert.-butylhydroperoxide In acetonitrile at 65 - 68℃; for 9h; | 99% |
| Conditions | Yield |
|---|---|
| With sodium tungstate (VI) dihydrate; phosphoric acid; dihydrogen peroxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 60℃; for 2h; pH=1.6; Kinetics; Reagent/catalyst; Solvent; | A 5.9% B 93.4% |
- 285-67-6
Cyclopentene oxide
| Conditions | Yield |
|---|---|
| decompn. at 200°C for 0.5 h; | 86% |
- 62820-00-2
4-cyano-N,N-dimethylaniline-N-oxide
- 142-29-0
cyclopentene
A
- 285-67-6
Cyclopentene oxide
B
- 4714-62-9
4-cyano-N-methylaniline
C
- 1197-19-9
4-cyano-N,N-dimethylaniline
| Conditions | Yield |
|---|---|
| With 1H-imidazole; [Mn(2,3,7,8,12,13,17,18-octamethyl-5,10,15,20-tetraphenylporphyrin)Cl] In dichloromethane at 25℃; Product distribution; with various alkene concentrations; | A 80% B 20% C 79% |
- 285-67-6
Cyclopentene oxide
| Conditions | Yield |
|---|---|
| decompn. at 100°C for 0.5 h; | 73% |
| decompn. at 100°C for 0.5 h; | 73% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide; p-toluenesulfonyl chloride; benzyltriethylammonium bromide In dichloromethane at 25℃; for 0.166667h; | 71% |
- 75-91-2
tert.-butylhydroperoxide
- 142-29-0
cyclopentene
A
- 285-67-6
Cyclopentene oxide
B
- 38362-74-2
tert. Butyl-2-cyclopenten-1-yl-peroxid
| Conditions | Yield |
|---|---|
| With palladium diacetate; potassium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In dichloromethane at 0℃; for 48h; | A n/a B 63% |
- 142-29-0
cyclopentene
A
- 285-67-6
Cyclopentene oxide
B
- 4065-92-3
cyclopentane-1,2-diol
C
- 111-30-8
Glutaraldehyde
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide; H3PMo10W2O40 at 35℃; for 3h; | A 0.8% B 13.9% C 60.6% |
| With dihydrogen peroxide; H3PMo10W2O40 at 35℃; for 3h; Product distribution; various molybdenum compounds as catalysts; | A 0.8% B 13.9% C 60.6% |
- 142-29-0
cyclopentene
A
- 285-67-6
Cyclopentene oxide
B
- 3212-60-0, 6426-28-4, 62894-08-0, 109431-72-3
cyclopent-2-enol
C
- 930-30-3
cyclopent-2-enone
| Conditions | Yield |
|---|---|
| With 6C16H36N(1+)*2Zn(2+)*4Na(1+)*[Bi2Zn2(ZnW9O34)2](14-); urea hydrogen peroxide adduct In acetonitrile at 70℃; for 24h; Ene Reaction; | A 10% B 32% C 58% |
| With oxygen In chlorobenzene at 50℃; Mechanism; Product distribution; catalysts Co(acac)3 and MoO2(acac)2; | A 10.4 % Chromat. B n/a C n/a |
| With air; iron 5,10,15,20-tetrakis-(2',6'-dichlorophenyl)porphyrinate; iodosylbenzene In dichloromethane for 0.5h; Product distribution; Mechanism; var. cycloalkenes; other porphyrin; var. reaction time; | A 64 % Chromat. B 19 % Chromat. C 1.9 % Chromat. |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In acetonitrile at 65 - 68℃; for 9h; | A 39% B 16% |
| With sodium hypochlorite In acetonitrile at 65 - 68℃; for 9h; | A 5% B 14% |
| With oxygen; isobutyraldehyde at 50℃; for 6h; Catalytic behavior; Reagent/catalyst; | A 89 %Chromat. B 11 %Chromat. |
Cyclopentene oxide Chemical Properties
Product Name: Cyclopentene oxide (CAS NO.285-67-6)
Molecular Formula: C5H8O
Molecular Weight: 84.12g/mol
Mol File: 285-67-6.mol
EINECS: 206-005-6
Boiling point: 102 °C at 760 mmHg
Storage Temperature: 2-8°C
Flash Point: 10 °C
Density: 1.071 g/cm3
Refractive index: n20/D 1.434(lit.)
Index of Refraction: 1.49
Molar Refractivity: 22.71 cm3
Molar Volume: 78.5 cm3
Surface Tension: 36.9 dyne/cm
Enthalpy of Vaporization: 32.71 kJ/mol
Vapour Pressure: 39.6 mmHg at 25°C
XLogP3-AA: 0.8
H-Bond Donor: 0
H-Bond Acceptor: 1
Structure Descriptors of Cyclopentene oxide (CAS NO.285-67-6):
IUPAC Name: (1R,5S)-6-oxabicyclo[3.1.0]hexane
Canonical SMILES: C1CC2C(C1)O2
Isomeric SMILES: C1C[C@@H]2[C@H](C1)O2
InChI: InChI=1S/C5H8O/c1-2-4-5(3-1)6-4/h4-5H,1-3H2/t4-,5+
InChIKey: GJEZBVHHZQAEDB-SYDPRGILSA-N
Product Categories: Organics
Cyclopentene oxide Toxicity Data With Reference
| 1. | mmo-sat 15 µmol/plate | MUREAV Mutation Research. 90 (1981),67. | ||
| 2. | mmo-klp 2 mmol/L | MUREAV Mutation Research. 89 (1981),269. | ||
| 3. | sce-ham:lng 40 mmol/L | MUREAV Mutation Research. 249 (1991),55. |
Cyclopentene oxide Consensus Reports
Reported in EPA TSCA Inventory.
Cyclopentene oxide Safety Profile
Safety Information of Cyclopentene oxide (CAS NO.285-67-6):
Hazard Codes:F
,Xi
Risk Statements:
11: Highly Flammable
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Cyclopentene oxide Specification
Cyclopentene oxide , its CAS NO. is 285-67-6, the synonyms are Cyclopentane, 1,2-epoxy- ; Cyclopentene epoxide ; Epoxycyclopentane ; cis-1,2-Epoxycyclopentane ; 1,2-Epoxycyclopentane ; 6-Oxabicyclo(3.1.0)hexane .
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