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

ALDRICH/274658 - 95%

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

CAS Number: 54458-61-6
Empirical Formula (Hill Notation): C9H14O
Molecular Weight: 138.21
MDL Number: MFCD00010248
Linear Formula: C9H14O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-274658-5G 5 g
 $83.80
1/EA		 Add To Favorites
45-274658-25G 25 g
 $253.00
1/EA		 Add To Favorites
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This image depicts 274658-25G.

 

assay 95%
bp 100 °C/30 mmHg (lit.)
density 0.917 g/mL at 25 °C (lit.)
form liquid
functional group ketone
InChI 1S/C9H14O/c1-5-6(2)8(4)9(10)7(5)3/h5,7H,1-4H3
InChI key ARUAYSANQMCCEN-UHFFFAOYSA-N
Quality Level 100 
refractive index n20/D 1.476 (lit.)
SMILES string CC1C(C)C(=O)C(C)=C1C
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.
Packaging: 5, 25 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) 163.4 °F - closed cup
Flash Point(C) 73 °C - closed cup
Purity 95%
bp 100 °C/30 mmHg (lit.)
Density 0.917 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.476 (lit.)
UNSPSC 12352100

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