1,3-Cyclopentadiene, 5-cyclopentylidene-, also known as 5-cyclopentylidene-1,3-cyclopentadiene or 5-cyclopentyl-1,3-cyclopentadiene, is an organic compound with the molecular formula C10H14. It is a conjugated diene, featuring a cyclopentadiene core with a cyclopentyl group attached to the 5-position. 1,3-Cyclopentadiene,5-cyclopentylidene- is of interest in organic chemistry due to its unique structure and potential applications in the synthesis of various organic compounds. It is a colorless to pale yellow liquid with a pungent odor and is insoluble in water but soluble in organic solvents. The compound is used as an intermediate in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, it is typically handled under controlled conditions to prevent unwanted side reactions.
4727-24-6
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Basic information
- Product Name: 1,3-Cyclopentadiene,5-cyclopentylidene-
- Synonyms:
- CAS NO:4727-24-6
- Molecular Formula:
- Molecular Weight: 132.205
- EINECS: N/A
- Product Categories: N/A
- Mol File: 4727-24-6.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 1,3-Cyclopentadiene,5-cyclopentylidene- (CAS DataBase Reference)
- NIST Chemistry Reference: 1,3-Cyclopentadiene,5-cyclopentylidene- (4727-24-6)
- EPA Substance Registry System: 1,3-Cyclopentadiene,5-cyclopentylidene- (4727-24-6)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 4727-24-6(Hazardous Substances Data)
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4727-24-6 Usage
Chemical structure
A cyclopentadiene ring with a cyclopentylidene group attached at the 5th position.Physical state
Highly reactive and volatile liquid at room temperature.Reactivity
Highly reactive due to the presence of multiple double bonds in the molecule.Applications
Commonly used as a diene in various organic synthesis reactions.Industrial uses
Precursor to many other organic compounds, used in the production of pharmaceuticals, agrichemicals, and fragrances.Safety concerns
Important to handle with care as it can pose health hazards if not used properly.Stability
Less stable than other cyclopentadiene derivatives due to the presence of the cyclopentylidene group.Solubility
Soluble in organic solvents like ether, acetone, and chloroform.Boiling point
Low boiling point due to its low molecular weight and high volatility.Melting point
Not applicable, as it is a liquid at room temperature.Density
Lower density than water due to its non-polar nature.Color
Typically colorless or light yellow liquid.Odor
May have a characteristic pungent or sweet odor.Flammability
Flammable due to its high reactivity and volatility.Storage
Should be stored in a cool, dry, and well-ventilated area, away from heat and open flames.Check Digit Verification of cas no
The CAS Registry Mumber 4727-24-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,2 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.Calculate Digit Verification of CAS Registry Number 4727-24:
(6*4)+(5*7)+(4*2)+(3*7)+(2*2)+(1*4)=96
96 % 10 = 6
So 4727-24-6 is a valid CAS Registry Number.
4727-24-6Upstream product
4727-24-6Downstream Products
- 84257-14-7 4-cyclopentylidene-7,7-dichlorobicyclo<3.2.0>hept-2-en-6-one
- 38793-79-2 1-(m-fluorophenyl)cyclopentene
- 1185886-88-7 [(η5-C5H4-cyclopentenyl)RuCl(PPh3)2]
- 1185886-83-2 [(η5-C5H4-cyclopentyl)RuCl(PPh3)2]
- 1239498-20-4 [(η5-C5H4-cyclopentenyl)OsCl(PPh3)2]
- 1239498-16-8 [(η5-C5H4-cyclopentyl)OsCl(PPh3)2]
- 1422053-81-3 (1S,3R,7aS)-methyl 1-(4-chlorophenyl)-1,2,3,7a-tetrahydrospiro[cyclopenta[c]pyridine-4,1'-cyclopentane]-3-carboxylate
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1,3-Cyclopentadiene,5-cyclopentylidene-
