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145777

Sigma-Aldrich

3-Methyl-2-cyclopentenone

97%

Linear Formula:
CH3C5H5(=O)
CAS Number:
Molecular Weight:
96.13
Beilstein:
1280476
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

97%

form

liquid

refractive index

n20/D 1.488 (lit.)

bp

74 °C/15 mmHg (lit.)

mp

3-5 °C (lit.)

density

0.980 g/mL at 20 °C
0.971 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC1=CC(=O)CC1

InChI

1S/C6H8O/c1-5-2-3-6(7)4-5/h4H,2-3H2,1H3

InChI key

CHCCBPDEADMNCI-UHFFFAOYSA-N

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General description

3-Methyl-2-cyclopentenone undergoes reduction in presence of triethylammonium formate and palladium catalyst to form saturated ketone. It undergoes B(C6F5)3 catalyzed hydrosilation to yield complex reaction mixtures of 1,2 addition products and oligomers.

Application

3-Methyl-2-cyclopentenone was used in the synthesis of 2-hydroxy-3-methyl-2-cyclopentenone.

Packaging

5, 25 g in glass bottle

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

149.0 °F - closed cup

Flash Point(C)

65 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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