2,3,4,5-Tetramethyl-2-cyclopenten-1-one

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Names

[ Name ]:
2,3,4,5-Tetramethyl-2-cyclopenten-1-one

[Synonym ]:
MFCD00010248
2,3,4,5-Tetramethylcyclopent-2-en-1-one
2-Cyclopenten-1-one, 2,3,4,5-tetramethyl-
2,3,4,5-Tetramethyl-2-cyclopenten-1-one
2,3,4,5-tetramethyl-2-cyclopentenone

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
196.1±10.0 °C at 760 mmHg

[ Molecular Formula ]:
C₉H₁₄O

[ Molecular Weight ]:
138.207

[ Flash Point ]:
73.3±0.0 °C

[ Exact Mass ]:
138.104462

[ PSA ]:
17.07000

[ LogP ]:
2.11

[ Vapour Pressure ]:
0.4±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.451

[ Storage condition ]:
2~8℃

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)

[ Safety Phrases ]:
S23-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2914299000

Precursor & DownStream

Precursor

2,3,5,6-tetramethyloxan-4-one
ch3cho
3-Pentanone
trans-2-Methyl-2-butenal
3,5-dimethyl-hepta-2,5-dien-4-ol
But-2-yne
3,5-dimethyl-hepta-2,5-dien-4-one

DownStream

5-[3-(2-hydroxy-1,3,4,5-tetramethylcyclopent-3-en-1-yl)propyl]-2,3,4,5-tetramethylcyclopent-2-en-1-ol
Pentamethylcyclopentadiene
tetramethyl(n-propyl)cyclopentadiene
(2,3,4,5-tetramethylcyclopenta-1,3-dien-1-yl)benzene
(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yl)benzene
3-phenyl-1,2,4,5-tetramethyl-1,3-cyclopentadiene
TRIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE
1,2,3,4-Tetramethylcyclopentadiene
CHLORODIMETHYL(2,3,4,5-TETRAMETHYL-2,4-CYCLOPENTADIEN-1-YL)SILANE

Customs

[ HS Code ]: 2914299000

[ Summary ]:
2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Articles

Synthesis and structures of (R)-cyclopentadienyl-binaphthoxy titanium(IV) complexes and catalytic properties for olefin polymerization.

Dalton Trans. 41(24) , 7350-7, (2012)

Two new chiral pre-ligands, (R)-3,3'-bis(tetramethylcyclopentadienyl)-2,2'-bismethoxy-1,1'-bisnaphthalene (1) and (R)-3-tetramethylcyclopentadienyl-2,2'-bismethoxy-1,1'-bisnaphthalene (2), were synthe...

trans 2,3,4,5-tetraphenyl-2-cyclopenten-1-one
5-ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one
5-(Diphenylphosphinyl)-2,3,4,5-tetraphenyl-2-cyclopenten-1-one
4-Acetyl-2,3,4,5,5-pentamethyl-2-cyclopenten-1-one
2,3,4,5-tetramethyl-4-nitrocyclohexa-2,5-dien-1-one
2,3,4,5-tetrabutylcyclopent-2-en-1-one
2-(2,4-Dichlorophenyl)pyrimidine
6-Chloro-2-phenyl-1,3-benzoxazole
2-(4-methoxyphenyl)-4-methyl-N-[(2E)-5-(2-methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]-1,3-thiazole-5-carboxamide
3-(5-(4-Fluorophenyl)-1,3,4-oxadiazol-2-yl)aniline
3-(5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)aniline
4-(3-Furyl)-7-methylcoumarin
4-(5-Cyclohexyl-1,3,4-oxadiazol-2-yl)aniline
4-(but-3-yn-1-yl)-1-methyl-1H-imidazole
2-Methoxy-3-(methoxymethoxy)benzaldehyde
(2,3-Dichlorophenyl)(furan-2-yl)methanol

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