2-methylcyclopentenone

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Names

[ CAS No. ]:
1120-73-6

[ Name ]:
2-methylcyclopentenone

[Synonym ]:
2-Methylcyclopentene-3-one
2-Methyl-1-cyclopenten-3-one
2-methylcyclopentenone
MFCD00012275
2-Methyl-2-cyclopenten-1-one
2-Cyclopenten-1-one, 2-methyl-
2-Cyclopenten-1-one,2-methyl
methylcyclopentenone
2-Methyl-2-cyclopentenone
2-methylcyclopent-2-enone
2-methylcyclopent-2-en-1-one
2-methyl-2-cyclopentene-1-one
2-Cyclopenten-1-one,2-meth

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
157.5±10.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H8O

[ Molecular Weight ]:
96.127

[ Flash Point ]:
48.9±0.0 °C

[ Exact Mass ]:
96.057518

[ PSA ]:
17.07000

[ LogP ]:
0.54

[ Vapour Pressure ]:
2.7±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.482

[ Storage condition ]:
0-6°C

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
10

[ Safety Phrases ]:
16-27-36/37/39

[ RIDADR ]:
UN 1224 3/PG 3

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

[ HS Code ]:
2914190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-methyl-1-triisopropylsilyl(oxy)-cyclopent-1-ene
  • γ-Caprolactone
  • Methyl cyclopentenolone
  • carbon monoxide
  • Cyclohexanone
  • 1,4-Pentadiene
  • hexane-1,4-diol
  • Methylcyclopentene
  • 2-methyl-3-(2-methylpropoxy)cyclopent-2-en-1-one

DownStream

  • 2,2-Dimethylcyclopentanone
  • Estrone 3-methyl ether
  • 2-Methylcyclopentanone
  • (3aR,7aS)-7a-methyl-3,3a,4,7-tetrahydro-2H-inden-1-one
  • 2-METHYLCYCLOPENTANOL
  • 3-methoxyestra-1(10),2,4,8,14-pentaen-17-one (en)Estra-1,3,5(10),8,14-pentaen-17-one, 3-methoxy-, (+-)- (en)
  • 3-ethyl-2-methylcyclopentan-1-one
  • 6-(diethylamino)-5,7-dimethylbicyclo[3.2.0]hept-6-en-4-one
  • 3-(4-chlorobut-1-en-2-yl)-2-methylcyclopentan-1-one
  • Cyclopentanone, 2-methyl-3-[(trimethylsilyl)ethynyl]- (9CI)

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

Regiochemistry of the Diels-Alder Reaction of 1-Ethenyl-hydronaphthalenes and 2-Methyl-2-cyclopenten-1-one. Minuti L, et al.

Synth. Commun. 22(11) , 1535-40, (1992)


More Articles

Related Compounds

  • 2-methylcyclopentenone
  • 3-acetoxy-2-methylcyclopentenone
  • 2-[(4-aminobenzoyl)-benzylamino]ethyl-diethylazanium,chloride
  • 2-methyl-2-methylsulfanylpropanenitrile
  • 2-methyl-1-tetradecyl-2H-pyridine
  • 2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-dicarboxylicacid, 3,9-dimethyl ester
  • 2-Chloro-3-(difluoromethyl)-1-fluoro-4-methylbenzene
  • 2-(2-Methoxyethyl)-2,8-diazaspiro[4.5]decan-1-one
  • 5-(2-Aminophenyl)thiophene-2-carboxylic acid
  • 5-(2-Hydroxyphenyl)-1H-pyrrole-2-carboxylic acid
  • 2-[5-(Trifluoromethyl)pyridin-2-yl]propan-1-amine
  • O-(1,1-difluoropropan-2-yl)hydroxylamine
  • O-{[1-(difluoromethyl)cyclopropyl]methyl}hydroxylamine
  • O-[1-(3-fluorophenyl)ethyl]hydroxylamine
  • Methyl 2-(3-bromo-2,4-difluorophenyl)-2-hydroxyacetate
  • Methyl 2-(2-bromo-4,5-difluorophenyl)-2-hydroxyacetate
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