3,4-Dimethyl-2-cyclopenten-1-one

Modify Date: 2025-08-25 13:05:32

3,4-Dimethyl-2-cyclopenten-1-one Structure
3,4-Dimethyl-2-cyclopenten-1-one structure
 Common Name 3,4-Dimethyl-2-cyclopenten-1-one
CAS Number 30434-64-1 Molecular Weight 110.154
Density 0.9±0.1 g/cm3 Boiling Point 167.5±10.0 °C at 760 mmHg
Molecular Formula C7H10O Melting Point N/A
MSDS N/A Flash Point 58.9±9.8 °C

 Names

Name 3,4-dimethylcyclopent-2-en-1-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 167.5±10.0 °C at 760 mmHg
Molecular Formula C7H10O
Molecular Weight 110.154
Flash Point 58.9±9.8 °C
Exact Mass 110.073166
PSA 17.07000
LogP 1.03
Vapour Pressure 1.7±0.3 mmHg at 25°C
Index of Refraction 1.465

 Synthetic Route

2-Butenoic acid,1-methylethyl ester, (2E)- structure

2-Butenoic acid...

CAS#:6284-46-4

~87%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: SK INNOVATION CO., LTD. Patent: US2012/329965 A1, 2012 ;
N/A structure

N/A

CAS#:214116-28-6

~95%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: Loebach; Bennett; Danheiser Journal of the American Chemical Society, 1998 , vol. 120, # 37 p. 9690 - 9691
1-diazonio-5-methylhexa-1,4-dien-2-olate structure

1-diazonio-5-me...

CAS#:62535-33-5

~28%

4,4-Dimethyl-2-cyclopenten-1-one structure

4,4-Dimethyl-2-...

CAS#:22748-16-9

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

3-prop-1-en-2-ylcyclobutan-1-one structure

3-prop-1-en-2-y...

CAS#:76803-46-8

Literature: Journal of the American Chemical Society, , vol. 103, p. 1996
carbon monoxide structure

carbon monoxide

CAS#:201230-82-2

~%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: Tetrahedron Letters, , vol. 33, # 48 p. 7361 - 7364
(E)-3-methyl-2-(triisopropylsilyl)penta-1,3-dien-1-one structure

(E)-3-methyl-2-...

CAS#:866006-56-6

~%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: Journal of the American Chemical Society, , vol. 120, # 37 p. 9690 - 9691
(2E,5E)-Hepta-2,5-dien-4-one structure

(2E,5E)-Hepta-2...

CAS#:71718-46-2

~42%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: Howell, James A. S.; O'Leary, Paula J.; Yates, Paul C.; Goldschmidt, Zeev; Gottlieb, Hugo E.; Hezroni-Langerman, Daphna Tetrahedron, 1995 , vol. 51, # 26 p. 7231 - 7246
Butanedioic acid,2,3-diacetyl-, 1,4-diethyl ester structure

Butanedioic aci...

CAS#:2049-86-7

methyl iodide structure

methyl iodide

CAS#:74-88-4

~%

3,4-Dimethyl-2-cyclopenten-1-one Structure

3,4-Dimethyl-2-...

CAS#:30434-64-1

Literature: Chemische Berichte, , vol. 47, p. 298

 Synonyms

2-Cyclopenten-1-one, 3,4-dimethyl-
3,4-dimethyl-2-cyclopentenone
3,4-Dimethylcyclopent-2-enone
Dimethyl-2-cyclopentenone-1
AmbkkkkK494
3,4-dimethyl-cyclopenten-1-one
3,4-dimethylcyclopentenone
3,4-Dimethyl-2-cyclopenten-1-one
2-Cyclopenten-1-one,3,4-dimethyl
3,4-Dimethylcyclopent-2-en-1-one
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