3-Methyl-2-cyclopenten-1-one

Suppliers

Names

[ Name ]:
3-Methyl-2-cyclopenten-1-one

[Synonym ]:
3-Methyl-2-cyclopentenone
MFCD00001403
3-methyl-2-cyclopentene-1-one
1-Methyl-1-cyclopenten-3-one
2-Cyclopenten-1-one,3-methyl
3-Methylcyclopent-2-en-1-one
3-methyl-cyclopent-2-enone
EINECS 220-421-5
2-Cyclopenten-1-one, 3-methyl-
3-Methyl-2-cyclopenten-1-one,stabilized
3-methylcyclopenten-2-one
3-methyl-cyclopentenone
3-methyl cyclopent-2-en-1-one
3-Methyl-2-cyclopenten-1-one

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

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

[ Melting Point ]:
3-5 °C(lit.)

[ Molecular Formula ]:
C₆H₈O

[ Molecular Weight ]:
96.127

[ Flash Point ]:
53.1±9.8 °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 ]:
Refrigerator (+4°C)

[ Water Solubility ]:
miscible

MSDS

Click to get detail MSDS

Safety Information

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

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R36/38

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
1224

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ HS Code ]:
29142900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

1-diazo-4-methyl-pent-4-en-2-one
Acetonylacetone
6-Oxabicyclo[3.1.0]hexan-2-one,5-methyl-
3-methyl-4-trimethylsilyl-4-pentenoyl chloride
Methylcyclopentene
acetic acid
Allene
carbon monoxide
Acetylene

DownStream

Dihydrojasmone
3-Methyl-2-cyclopentene-1-thione
(R)-(+)-3-BUTYN-2-OL
(3S)-3-methylcyclopentanone
3-methylcyclopentanol
3-methylcyclopent-2-en-1-ol
Methyl cyclopentenolone
Maple lactone
6-Oxabicyclo[3.1.0]hexan-2-one,5-methyl-
1-tert-butyl-3-methylcyclopenta-1,3-diene

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

Palladium-catalyzed reductions of. alpha.,. beta.-unsaturated carbonyl compounds, conjugated dienes, and acetylenes with trialkylammonium formates. Cortese NA and Heck NA.

J. Org. Chem. 43(20) , 3985-87, (1978)

A new synthesis of cyclopentenones: dihydrojasmone. Hendrickson JB and Palumbo PS.

J. Org. Chem. 50(12) , 2110-12, (1985)

B(C₆F₅)₃ catalyzed hydrosilation of enones and silyl enol ethers. Blackwell JM, et al.

Tetrahedron 58(41) , 8247-54, (2002)