1,4-Phthalaldehyde, CAS No. 623-27-8

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623-27-8

Catalog No. EBD45645

CAS 623-27-8

Name 1,4-Phthalaldehyde

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Basic Information

Synonyms: 1,4-Benzenedicarboxaldehyde Terephthaldicarboxaldehyde Terephthalaldehyde p-Phthalaldehyde 1,4-Phthalaldehyde Benzene-1,4-dicarboxaldehyde Terephthaldicarbo p-Phthalaldehdye p-Phthaldialdehyde Terephthaldicarbozaldehyde terephthaldehyde benzene-1,4-dicarbaldehyde

Molecular Formula: C8H6O2

Molecular Weight: 134.13

MDL Number: MFCD00006949

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

Product Description:

1,4-Benzenedicarboxaldehyde, commonly known as terephthalaldehyde, is an organic compound with the molecular formula C8H6O2. It is a white to off-white crystalline solid characterized by two aldehyde functional groups positioned para to each other on a benzene ring. This symmetrical aromatic dialdehyde is a key building block in organic synthesis and materials science. Its primary industrial significance lies in its role as a crucial precursor for the synthesis of various functional materials. It is extensively used in the preparation of organic light-emitting diodes (OLEDs), organic photovoltaic (OPV) materials, and fluorescent dyes. The aldehyde groups readily undergo condensation reactions to form conjugated systems, such as Schiff bases and other π-extended structures, which are essential for optoelectronic applications. It is also a fundamental monomer for synthesizing polymers like polyimides and coordination polymers, including metal-organic frameworks (MOFs). As a versatile synthetic intermediate, terephthalaldehyde is employed in the production of pharmaceuticals, agrochemicals, and corrosion inhibitors. It serves as a cross-linking agent and a starting material for various heterocyclic compounds. Handling requires standard precautions for aldehydes, including avoidance of inhalation and contact with skin and eyes.

Physical Properties

Melting Point: 114-116 °C(lit.)

Boiling Point: 245-248 °C(lit.)

Flash Point: 76 °C

Density: 1,06 g/cm3

Solubility: 3 g/L (50 ºC)

Analytical Data

Appearance: white to light yellow crystalline powder