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145777

3-Methyl-2-cyclopentenone

97%

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About This Item

Linear Formula:
CH3C5H5(=O)
CAS Number:
2758-18-1
Molecular Weight:
96.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24848744
EC Number:
220-421-5
Beilstein/REAXYS Number:
1280476
MDL number:
MFCD00001403
Assay:
97%
Form:
liquid
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Quality Segment

100

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.)

functional group

ketone

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

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.

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Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

149.0 °F - closed cup

flash_point_c

65 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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