Description

4-Biphenylaldehyde (CAS No. 3218-36-8), also known as 4-phenylbenzaldehyde, is a high-purity aromatic aldehyde with the molecular formula C₁₃H₁₀O. This compound is widely utilized in organic synthesis, pharmaceutical research, and material science due to its reactive aldehyde functional group and biphenyl backbone. Its crystalline form and consistent quality make it ideal for precision applications, including cross-coupling reactions, ligand synthesis, and as a precursor for fluorescent dyes and liquid crystals. Packaged under inert conditions to ensure stability, our 4-Biphenylaldehyde is rigorously tested for purity (typically ≥98% by GC/HPLC) and is available in scalable quantities for laboratory and industrial use. Synonyms include 4-Biphenylcarboxaldehyde, p-Phenylbenzaldehyde, and 4-Formylbiphenyl.

Properties

• CAS Number: 3218-36-8
• Complexity: 174
• IUPAC Name: 4-phenylbenzaldehyde
• InChI: InChI=1S/C13H10O/c14-10-11-6-8-13(9-7-11)12-4-2-1-3-5-12/h1-10H
• InChI Key: ISDBWOPVZKNQDW-UHFFFAOYSA-N
• Exact Mass: 182.073164938
• Molecular Formula: C13H10O
• Molecular Weight: 182.22
• SMILES: C1=CC=C(C=C1)C2=CC=C(C=C2)C=O
• Topological: 17.1
• Monoisotopic Mass: 182.073164938
• Synonyms: 4-Biphenylcarboxaldehyde, 4-Biphenylaldehyde, p-Phenylbenzaldehyde, 4-Formylbiphenyl, 4-Biphenylylcarboxaldehyde, p-Biphenylylaldehyde, [1,1′-Biphenyl]-4-carboxaldehyde, p-Biphenylaldehyde, p-Biphenylcarboxaldehyde, (1,1′-Biphenyl)-4-carboxaldehyde, NSC 46066, EINECS 221-742-3, BRN 0606693, NSC-46066, 883W14Y55S, DTXSID9073961, EC 221-742-3, (1,1′-Biphenyl)-4-carboxaldehyde (9CI), DTXCID5038464, 4-Phenylbenzaldehyde, 3218-36-8, Biphenyl-4-carboxaldehyde, [1,1′-Biphenyl]-4-carbaldehyde, Biphenyl-4-carbaldehyde, MFCD00006947, 4-biphenylcarbaldehyde, 4-FORMYL-BIPHENYL, 4-formyl-1,1′-biphenyl, UNII-883W14Y55S, 4-biphenylmethanal, 4-biphenyl aldehyde, p-Phenyl-benzaldehyd, 4′-biphenyl aldehyde, 4-phenyl benzaldehyde, Benzaldehyde, p-phenyl-, 4-Biphenylcarboxyaldehyde, 4-biphenyl carboxaldehyde, 4-biphenyl-carboxaldehyde, biphenyl 4-carboxaldehyde, SCHEMBL6032, SCHEMBL97063, CHEMBL341478, SCHEMBL1773919, SCHEMBL3978537, SCHEMBL17927427, Biphenyl-4-carboxaldehyde, 99%, NSC46066, BBL023267, SBB040274, STL284488, [1,1′-Biphenyl]-4-carbaldehyde #, AKOS000119567, AS-2124, CS-W004664, FB36816, AC-13454, SY009287, B0242, NS00008757, ST50213446, EN300-20145, AB-131/40897195, Q27269882, F2158-0366, Z104477048

Application

4-Biphenylaldehyde serves as a versatile building block in organic synthesis, particularly in the preparation of biphenyl-based ligands for catalysis and metal-organic frameworks (MOFs). It is also employed in the synthesis of pharmaceutical intermediates and agrochemicals due to its ability to form Schiff bases and other functional derivatives. Researchers value this compound for its role in developing advanced materials, such as OLEDs and liquid crystals, where its conjugated structure enhances electronic properties.

Safety and Hazards

GHS Hazard Statements

• H302 (12%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (90%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (90%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (90%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (12%)
• Skin Irrit. 2 (90%)
• Eye Irrit. 2A (90%)
• STOT SE 3 (90%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.