2-acetyl-4-methylcyclopent-4-ene-1,3-dione

Modify Date: 2025-09-11 09:23:40

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure
2-acetyl-4-methylcyclopent-4-ene-1,3-dione structure
 Common Name 2-acetyl-4-methylcyclopent-4-ene-1,3-dione
CAS Number 4056-72-8 Molecular Weight 152.14700
Density N/A Boiling Point N/A
Molecular Formula C8H8O3 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 2-acetyl-4-methylcyclopent-4-ene-1,3-dione
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C8H8O3
Molecular Weight 152.14700
Exact Mass 152.04700
PSA 51.21000
LogP 0.28970
InChIKey MTOQDDYJTBUKCK-UHFFFAOYSA-N
SMILES CC(=O)C1C(=O)C=C(C)C1=O

 Safety Information

HS Code 2914299000

 Synthetic Route

3-methyl-5-(2-oxopropylidene)furan-2-one structure

3-methyl-5-(2-o...

CAS#:54345-20-9

~95%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Literature: Massy-Westropp, Ralph A.; Price, Martyn F. Australian Journal of Chemistry, 1981 , vol. 34, # 11 p. 2369 - 2383
(5Z)-3-methyl-5-(2-oxopropylidene)furan-2(5H)-one structure

(5Z)-3-methyl-5...

CAS#:54345-23-2

~89%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Literature: Massy-Westropp, Ralph A.; Price, Martyn F. Australian Journal of Chemistry, 1981 , vol. 34, # 11 p. 2369 - 2383
Citraconic anhydride structure

Citraconic anhydride

CAS#:616-02-4

Methyl methacrylate structure

Methyl methacrylate

CAS#:80-62-6

~73%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Literature: Shestak; Novikov; Stekhova; Gorshkova Pharmaceutical Chemistry Journal, 1999 , vol. 33, # 1 p. 18 - 21
Methanol structure

Methanol

CAS#:67-56-1

3-methyl-5-(2-oxopropylidene)furan-2-one structure

3-methyl-5-(2-o...

CAS#:54345-20-9

~84%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

methyl 2-(2-methoxy-4-methyl-5-oxo-2,5-dihydrofuran-2-yl)acetate structure

methyl 2-(2-met...

CAS#:74826-66-7

Literature: Massy-Westropp, Ralph A.; Price, Martyn F. Australian Journal of Chemistry, 1981 , vol. 34, # 11 p. 2369 - 2383
3-bromo-4-methylfuran-2,5-dione structure

3-bromo-4-methy...

CAS#:59107-74-3

Methyl methacrylate structure

Methyl methacrylate

CAS#:80-62-6

~2%

(5Z)-3-methyl-5-(2-oxopropylidene)furan-2(5H)-one structure

(5Z)-3-methyl-5...

CAS#:54345-23-2

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Literature: Shestak; Novikov; Stekhova; Gorshkova Pharmaceutical Chemistry Journal, 1999 , vol. 33, # 1 p. 18 - 21
Methanol structure

Methanol

CAS#:67-56-1

ethyl (E)-4-methyl-5-oxo-2,5-dihydrofuran-2-ylideneacetate structure

ethyl (E)-4-met...

CAS#:57691-02-8

~8%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

ethyl 3-methyl-2,5-dioxocyclopentenecarboxylate structure

ethyl 3-methyl-...

CAS#:81154-35-0

Detail
Literature: Massy-Westropp, Ralph A.; Price, Martyn F. Australian Journal of Chemistry, 1981 , vol. 34, # 11 p. 2369 - 2383
Methanol structure

Methanol

CAS#:67-56-1

3-methyl-5-(2-oxopropylidene)furan-2-one structure

3-methyl-5-(2-o...

CAS#:54345-20-9

~31%

(5Z)-3-methyl-5-(2-oxopropylidene)furan-2(5H)-one structure

(5Z)-3-methyl-5...

CAS#:54345-23-2

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Detail
Literature: Massy-Westropp, Ralph A.; Price, Martyn F. Australian Journal of Chemistry, 1981 , vol. 34, # 11 p. 2369 - 2383
Isopropenyl acetate structure

Isopropenyl acetate

CAS#:108-22-5

Citraconic anhydride structure

Citraconic anhydride

CAS#:616-02-4

~%

2-acetyl-4-methylcyclopent-4-ene-1,3-dione Structure

2-acetyl-4-meth...

CAS#:4056-72-8

Literature: Novikov, V. L.; Shestak, O. P.; Kamernitskii, A. V.; Elyakov, G. B. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1980 , vol. 29, # 6 p. 1002 - 1005 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1980 , # 6 p. 1390 - 1393

 Customs

HS Code 2914299000
Summary 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

2-Acetyl-4-methyl-cyclopent-4-en-1.3-dion
4-Cyclopentene-1,3-dione,2-acetyl-4-methyl
2-Acetyl-4-methyl-4-cyclopenten-1,3-dion
2-acetyl-4-methylcyclopentene-1,3-dione
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Chemsrc provides CAS#:4056-72-8 MSDS, density, melting point, boiling point, structure, etc. Its name is 2-acetyl-4-methylcyclopent-4-ene-1,3-dione>> amp version: 2-acetyl-4-methylcyclopent-4-ene-1,3-dione

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