White Powder Tetraphenylethylene C26H20 CAS 632-51-9

What is White powder Tetraphenylethylene C26H20 CAS 632-51-9?

Tetraphenylethylene (TPE) is an organic compound with a unique structure and wide application value. Its CAS number is 632-51-9, its molecular formula is C₂₆H₂₀, and its molecular weight is 332.44 g/mol. The molecular structure is a tetrahedral configuration formed by four benzene rings symmetrically bridged by vinyl (-CH=CH-), and has a highly conjugated π electron system.
Tetraphenylethylene exhibits excellent thermal stability and optical activity, and can emit blue-green fluorescence under ultraviolet light excitation. It has extremely low water solubility, but is easily soluble in organic solvents such as hot toluene, dichloromethane, and tetrahydrofuran. It can be dissolved in concentrated sulfuric acid and maintain a stable structure.

White powder Tetraphenylethylene C26H20 CAS 632-51-9

Tetraphenylethylene is a key material for organic light-emitting diodes (OLEDs), which can be used as a light-emitting layer or charge transport layer to improve the luminous efficiency and stability of the device. Its AIE properties are also used in fluorescent sensors, such as detecting metal ions, biomolecules, or environmental pollutants.

In polymer modification, Tetraphenylethylene can be used as a plasticizer or cross-linking agent to improve the mechanical properties and thermal stability of materials. Its introduction can also give polymers self-healing or shape memory functions, expanding its application in the field of smart materials.

In terms of safety, Tetraphenylethylene is irritating to the skin and eyes. When operating, protective equipment (such as gloves, goggles) must be worn and carried out in a ventilated environment. Its WGK Germany rating is 3, which belongs to the "harmful to aquatic organisms" category and should be avoided from direct discharge into water bodies. When storing, it should be sealed in a dry container, placed in a cool place, away from fire and oxidants.

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