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304190

Sigma-Aldrich

2-Methyl-2-cyclopenten-1-one

98%

Synonym(s):

2-Methyl-2-cyclopentene-1-one, 2-Methyl-2-cyclopentenone

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About This Item

Linear Formula:
CH3C5H5(=O)
CAS Number:
1120-73-6
Molecular Weight:
96.13
MDL number:
MFCD00012275
UNSPSC Code:
12352100
PubChem Substance ID:
24858352
NACRES:
NA.22

Quality Level

100

Assay

98%

form

liquid

refractive index

n20/D 1.479 (lit.)

bp

158-161 °C (lit.)

density

0.979 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC1=CCCC1=O

InChI

1S/C6H8O/c1-5-3-2-4-6(5)7/h3H,2,4H2,1H3

InChI key

ZSBWUNDRDHVNJL-UHFFFAOYSA-N

General description

Diels-Alder reactions of 2-methyl-2-cyclopenten-1-one with 1-ethenylhydronaphthalenes were studied.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

120.2 °F - closed cup

Flash Point(C)

49 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBZ0098V
MKBZ0097V
11001LZ
05512JU
13523DR

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Regiochemistry of the Diels-Alder Reaction of 1-Ethenyl-hydronaphthalenes and 2-Methyl-2-cyclopenten-1-one.
Minuti L, et al.
Synthetic Communications, 22(11), 1535-1540 (1992)

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