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Open Access Articles- Top Results for (E)-Stilbene

(E)-Stilbene

For the class of antioxidant compounds that share the same chemical skeleton see stilbenoids.
(E)-Stilbene
trans-stilbene - skeletal formula
trans-stilbene - ball-and-stick model
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IUPAC name
(E)-1,2-Diphenylethene
Other names
(E)-Stilbene, trans-Stilbene, trans-1,2-Diphenylethylene
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103-30-0 7pxY
ChEBI CHEBI:36007 7pxY
ChEMBL ChEMBL113028 7pxY
ChemSpider 553649 7pxY
Jmol-3D images Image
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C14H12
Molar mass Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value). g·mol−1
Appearance Solid
Density 0.9707 g/cm3
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Practically insoluble
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SDS External MSDS
NFPA 704

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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

(E)-Stilbene, is a diarylethene, i.e., a hydrocarbon consisting of a trans ethene double bond substituted with a phenyl group on both carbon atoms of the double bond. The name stilbene is derived from the Greek word stilbos, which means shining.

Isomers

Stilbene exists as two possible isomers. The first is trans-1,2-diphenylethylene, called (E)-stilbene or trans-stilbene. The second is cis-1,2-diphenylethylene, called (Z)-stilbene or cis-stilbene, and is sterically hindered and less stable because the steric interactions force the aromatic rings out-of-plane and prevent conjugation.[citation needed] (Z)-Stilbene has a melting point of Script error: No such module "convert"., while (E)-stilbene melts around Script error: No such module "convert"., illustrating the two compounds are quite different in their physical properties.

Table 1. Vapor pressures[1]

Isomer Temperature, °C Vapor pressure, kPa
cis-stilbene 100 0.199
cis-stilbene 125 0.765
cis-stilbene 150 2.51
trans-stilbene 150 0.784

Uses

Chemistry

  • Stilbene will typically have the chemistry of a conjugated alkene, i.e., a diarylethene.
  • Trans- and cis-stilbene can interconvert under the influence of light.

References

  1. ^ Lide, David (1995). CRC Handbook of Chemistry and Physics, 76th edition. USA: CRC Press, Inc. pp. 6–107. ISBN 0-8493-0476-8. 

External links