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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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
Quality Segment
assay
95%
form
liquid
refractive index
n
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.
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
163.4 °F - closed cup
flash_point_c
73 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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