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ChemicalBook--->CAS DataBase List--->959-28-4

959-28-4

959-28-4 Structure

959-28-4 Structure
IdentificationMore
[Name]

TRANS-1,2-DIBENZOYLETHYLENE
[CAS]

959-28-4
[Synonyms]

1,2-DIBENZOYLETHYLENE
(E)-1,2-DIBENZOYLETHYLENE
(E)-1,4-DIPHENYL-2-BUTENE-1,4-DIONE
LABOTEST-BB LT00068044
TIMTEC-BB SBB007664
TRANS-1,2-DIBENZOYLETHYLENE
TRANS-1,4-DIPHENYL-2-BUTENE-1,4-DIONE
TRANS-DIPHENACYLIDENE
(2E)-1,4-Diphenyl-2-butene-1,4-dione
2-Butene-1,4-dione, 1,4-diphenyl-, (E)-
4-diphenyl-4-dion(e)-2-butene-1
perdominantlytrans
1,2-Dibenzoylethylene,predominantlytrans,96%
1,2-dibenzoylethylene, predominantly trans
(E)-1,2-Dibenzoylethene
(E)-1,4-Diphenyl-1,4-dioxo-2-butene
[EINECS(EC#)]

213-498-1
[Molecular Formula]

C16H12O2
[MDL Number]

MFCD00003083
[Molecular Weight]

236.27
[MOL File]

959-28-4.mol
Chemical PropertiesBack Directory
[Appearance]

yellow crystalline powder
[Melting point ]

109-112 °C(lit.)
[Boiling point ]

338.73°C (rough estimate)
[density ]

1.1223 (rough estimate)
[refractive index ]

1.6000 (estimate)
[form ]

Powder, Crystals or Flakes
[color ]

White to yellow to beige-brown
[BRN ]

743958
[CAS DataBase Reference]

959-28-4(CAS DataBase Reference)
[EPA Substance Registry System]

trans-1,2-Dibenzoylethylene (959-28-4)
Safety DataBack Directory
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[RTECS ]

EM7000000
[TSCA ]

Yes
[HS Code ]

29143900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Aluminium chloride hexahydrate-->Fumaryl chloride
Hazard InformationBack Directory
[Chemical Properties]

yellow crystalline powder
[Uses]

(E)-1,4-Diphenylbut-2-ene-1,4-dione is a key intermediate for the Michael adducts-source for biologically potent heterocycles with antimicrobial properties.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 55, p. 360, 1990 DOI: 10.1021/jo00288a066
Journal of the American Chemical Society, 45, p. 1303, 1923 DOI: 10.1021/ja01658a026
[Purification Methods]

It crystallises from MeOH or EtOH as yellow needles [Koller et al. Helv Chim Acta 29 512 1946]. The dioxime has m 210-211o(dec) from AcOH. [IR: Kuhn et al. J Am Chem Soc 72 5058 1950, Yates J Am Chem Soc 74 5375 1952, Erickson et al. J Am Chem Soc 73 5301 1951, Beilstein 7 IV 2578.]
Spectrum DetailBack Directory
[Spectrum Detail]

TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)MS
TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)1HNMR
TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)IR1
TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)IR2
TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

trans-1,2-Dibenzoylethylene, 97%(959-28-4)
[Alfa Aesar]

1,2-Dibenzoylethylene, predominantly trans, 96%(959-28-4)
[Sigma Aldrich]

959-28-4(sigmaaldrich)
[TCI AMERICA]

trans-1,2-Dibenzoylethylene,>96.0%(GC)(959-28-4)
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