cis-1,2-diphenylethylene, CAS No. 645-49-8

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645-49-8

Catalog No. EBD2204737

CAS 645-49-8

Name cis-1,2-diphenylethylene

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Basic Information

Synonyms: Z-1,1'-(1,2-ethenediyl)bisbenzene meso-1,2-diphenylethylene cis-Stilbene cis-1,1-(1,2-Ethenediyl)bis(benzene) cis-Stilbene,(cis-1,2-Diphenylethylene) ((E)-2-phenylethenyl)benzene Stilbebe cis-1,2-Diphenylethylene cis-Stilbebe

Molecular Formula: C14H12

Molecular Weight: 180.25

MDL Number: MFCD00004788

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > C-C Double and Triple Bonds

Product Description:

*trans*-Stilbene is an organic compound characterized by a central ethylene group linking two phenyl rings. It is a classic example of a stilbene derivative and exists in two isomeric forms, with the *trans* isomer being more stable and common. The compound is a colorless to pale yellow crystalline solid. The primary industrial and research significance of *trans*-stilbene lies in the field of optoelectronics and material science. It serves as a fundamental building block (scaffold) for the synthesis of various advanced organic materials. Its rigid, planar, and conjugated structure makes it a valuable core unit for developing organic light-emitting diodes (OLEDs), organic semiconductors, fluorescent dyes, and laser dyes. Derivatives of *trans*-stilbene are extensively studied for their photophysical properties, including fluorescence and charge transport capabilities. Beyond its role as a material precursor, *trans*-stilbene is also a standard compound in photochemical research, often used to study *trans-cis* photoisomerization. It acts as a scintillator in certain radiation detection applications due to its fluorescence properties. From a synthetic chemistry perspective, it is a versatile organic synthesis building block, particularly for reactions involving the olefinic double bond or functionalization of the aromatic rings.

Physical Properties

Melting Point: -5°C

Boiling Point: 82-84 °C/0.4 mmHg(lit.)

Flash Point: 110 °C

Density: 1.011 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.622(lit.)

Storage: 2-8°C

Analytical Data

Appearance: Pale yellow liquid