4,4'-Biphenyldicarboxylic acid, CAS No. 787-70-2

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787-70-2

Catalog No. EBD2219971

CAS 787-70-2

Name 4,4'-Biphenyldicarboxylic acid

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Basic Information

Synonyms: 4,4-Biphenyldicarboxylicacid [1,1'-biphenyl]-4,4'-dicarboxylicacid Biphenyl-4,4'-dicarboxylicacid 4,4'-Diphenitacid 4,4'-Biphenyldicarboxylicacid 4-phenylcyclohexa-2,5-diene-1,1-dicarboxylicacid biphenyl-4,4-dicarboxylicacid

Molecular Formula: C14H10O4

Molecular Weight: 242.23

MDL Number: MFCD00002554

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Materials Chemistry > Polymers and Macromolecular Materials > COF and MOF Monomers Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

4,4'-Biphenyldicarboxylic acid is a rigid, linear aromatic dicarboxylic acid. It is a white to off-white crystalline powder with the molecular formula C14H10O4. This compound is a key building block in materials science due to its symmetrical, extended π-conjugated biphenyl core and two reactive carboxylic acid groups. Its primary and most significant application is as a monomer for constructing metal-organic frameworks (MOFs) and covalent organic frameworks (COFs). It is a classic ligand, particularly for zirconium-based MOFs like UiO-67, where it forms highly porous, stable crystalline structures used in gas storage, separation, and catalysis. Furthermore, it serves as a crucial precursor for organic semiconductors and light-emitting materials. Its rigid, planar structure makes it an excellent component for hole-transport materials (HTMs), electron-transport materials (ETMs), and emitters in organic light-emitting diodes (OLEDs) and perovskite solar cells. As a versatile organic synthesis building block, it is used to prepare polyesters, polyamides, and liquid crystalline polymers, imparting thermal stability and rigidity to the resulting materials. It must be handled with care, avoiding inhalation of dust and contact with skin or eyes, and should be stored in a cool, dry place.

Physical Properties

Melting Point: >300 °C(lit.)

Boiling Point: 482.5 °C at 760 mmHg

Flash Point: 259.7 °C

Density: 1.347 g/cm3

Analytical Data

Appearance: White to light beige powder