TRANS-1,2-DIBENZOYLETHYLENE Chemical Properties

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 Information

Safety Statements 

22-24/25

WGK Germany 

3

RTECS 

EM7000000

TSCA 

Yes

HS Code 

29143900

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

TRANS-1,2-DIBENZOYLETHYLENE Usage And Synthesis

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.]

TRANS-1,2-DIBENZOYLETHYLENE(959-28-4)Related Product Information

• Polypropylene
• 2,4-DIMETHOXY-4'-HYDROXYBENZOPHENONE
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• TRANS-1,2-DIBENZOYLETHYLENE
• trans-1,2-Dibenzoylethylene, 96+%