2,5 - Difluorobenzaldehyde, CAS No. 2646-90-4

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2646-90-4

Catalog No. EBD29190

CAS 2646-90-4

Name 2,5 - Difluorobenzaldehyde

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Basic Information

Synonyms: 2,5-Difluorobenzalde 2,5-Difluorobenzaldehyde TIMTEC-BBSBB006570 2,5-difluorobenzaldehyde98% 2,5-difluorobenzaldehyde99+% 2,5-fluorobenzaldehyde difluorobenzaldehyde 2,5-Difluoro-benzaldehyde

Molecular Formula: C7H4F2O

Molecular Weight: 142.1

MDL Number: MFCD00010327

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones

Product Description:

2,5-Difluorobenzaldehyde is an aromatic aldehyde compound characterized by two fluorine substituents at the 2- and 5- positions of the benzene ring. It is a colorless to pale yellow liquid or low-melting solid with a molecular formula of C7H4F2O. Its primary and most significant application is as a key synthetic building block in the production of advanced organic electronic materials. The fluorine atoms and the aldehyde group make it a versatile precursor for constructing π-conjugated systems. It is extensively used in the synthesis of organic light-emitting diode (OLED) materials, particularly for electron-transporting layers (ETLs) and host materials in blue phosphorescent OLEDs. Derivatives of 2,5-difluorobenzaldehyde are crucial for developing high-efficiency, stable blue emitters. As a fundamental organic synthon, it is also employed in pharmaceutical and agrochemical research to introduce the difluorophenyl moiety, which can modulate the lipophilicity, metabolic stability, and binding affinity of target molecules. It serves as a common starting material in Suzuki cross-coupling and other condensation reactions to build complex aromatic structures.

Physical Properties

Boiling Point: 67-69 °C/17 mmHg(lit.)

Flash Point: 59 °C

Density: 1.308 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.498(lit.)

Safety Information

Packing Level: III

Hazard Category: 3

Transport Codes: 1989C