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51731-17-0

51731-17-0 Structure

51731-17-0 Structure
IdentificationBack Directory
[Name]

4-METHOXY-3-BUTEN-2-ONE
[CAS]

51731-17-0
[Synonyms]

Einecs 257-364-0
4-METHOXY-3-BUTEN-2-ONE
Trans 4-Methoxy Butenone
4-methoxy-3-butene-2-one
(E)-4-methoxy-3-buten-2-one
(3E)-4-Methoxy-3-buten-2-one
(3E)-4-Methoxybut-3-en-2-one
TRANS-1-METHOXY-1-BUTEN-3-ONE
TRANS-4-METHOXY-3-BUTEN-2-ONE
3-Buten-2-one,4-methoxy-, (3E)-
trans-4-methoxy-3-buten-2-one (1-1-3)
TRANS-4-METHOXY-3-BUTEN-2-ONE, TECH., 90 %
trans-4-Methoxy-3-buten-2-one technical grade, 90%
[EINECS(EC#)]

257-364-0
[Molecular Formula]

C5H8O2
[MDL Number]

MFCD00008778
[MOL File]

51731-17-0.mol
[Molecular Weight]

100.12
Chemical PropertiesBack Directory
[Melting point ]

0℃
[Boiling point ]

200 °C (lit.)
[density ]

0.982 g/mL at 25 °C (lit.)
[refractive index ]

n20/D 1.468(lit.)
[Fp ]

146 °F
[storage temp. ]

2-8°C
[solubility ]

sol THF, ether, acetonitrile, benzene.
[form ]

liquid
[BRN ]

2070991
Safety DataBack Directory
[Risk Statements ]

10
[Safety Statements ]

23-24/25
[RIDADR ]

1224
[WGK Germany ]

3
[F ]

10-21
Hazard InformationBack Directory
[Uses]

4-Methoxy-3-buten-2-one is a versatile four-carbon synthon; precursor to the Danishefsky diene; Diels-Alder dienophile; dipolarophile; electrophilic four-carbon synthon subject to conjugate addition at C-4 followed by elimination of the methoxide anion; its enolate is a nucleophilic four-carbon building block.
[storage]

4-Methoxy-3-buten-2-one may be harmful by inhalation, ingestion, or skin absorption; may cause skin and eye irritation; in addition to standard safety practice, mechanical exhaust is required. Do not breathe vapor. Store in refrigerator under nitrogen or argon.
Spectrum DetailBack Directory
[Spectrum Detail]

4-METHOXY-3-BUTEN-2-ONE(51731-17-0)1HNMR
4-METHOXY-3-BUTEN-2-ONE(51731-17-0)Raman
4-METHOXY-3-BUTEN-2-ONE(51731-17-0)IR
4-METHOXY-3-BUTEN-2-ONE(51731-17-0)FT-IR
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