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274658

2,3,4,5-Tetramethyl-2-cyclopentenone, mixture of cis and trans

95%

Synonym(s):

2,3,4,5-Tetramethyl-2-cyclopenten-1-one, 2,3,4,5-Tetramethylcyclopenten-1-one, 2,3,4,5-Tetramethylcyclopentenone, Tetramethylcyclopent-2-enone

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Size/SKUAvailabilityPrice
5 g

Available to ship TODAY

$86.90
25 g

Available to ship TODAY

$262.00

About This Item

Empirical Formula (Hill Notation):
C9H14O
CAS Number:
Molecular Weight:
138.21
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2324088
Assay:
95%
Form:
liquid

$86.90


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Quality Segment

assay

95%

form

liquid

refractive index

n20/D 1.476 (lit.)

bp

100 °C/30 mmHg (lit.)

density

0.917 g/mL at 25 °C (lit.)

functional group

ketone

SMILES string

CC1C(C)C(=O)C(C)=C1C

InChI

1S/C9H14O/c1-5-6(2)8(4)9(10)7(5)3/h5,7H,1-4H3

InChI key

ARUAYSANQMCCEN-UHFFFAOYSA-N

Application

2,3,4,5-Tetramethyl-2-cyclopentenone was used in the synthesis of chiral pre-ligands, (R)-3,3′-bis(tetramethylcyclopentadienyl)-2,2′-bismethoxy-1,1′-bisnaphthalene and (R)-3-tetramethylcyclopentadienyl-2,2′-bismethoxy-1,1′-bisnaphthalene by reacting with (R)-3,3′-dilithium-2,2′-bismethoxy-1,1′-bisnaphthalene.

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This Item
268976118389527408
description

95%

description

98%

description

99%

description

95%

assay

95%

assay

98%

assay

99%

assay

95%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

bp

100 °C/30 mmHg (lit.)

bp

75-77 °C (lit.)

bp

121-124 °C (lit.)

bp

72-76 °C (lit.)

density

0.917 g/mL at 25 °C (lit.)

density

0.73 g/mL at 25 °C (lit.)

density

0.767 g/mL at 25 °C (lit.)

density

0.714 g/mL at 25 °C (lit.)

refractive index

n20/D 1.476 (lit.)

refractive index

n20/D 1.451 (lit.)

refractive index

n20/D 1.426 (lit.)

refractive index

n20/D 1.438 (lit.)

form

liquid

form

liquid

form

-

form

-


Storage Class

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

163.4 °F - closed cup

Flash Point (°C)

73 °C - closed cup

PPE (personal protective equipment)

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



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