Description

4-Bromobiphenyl (CAS No. 92-66-0) is a high-purity aromatic compound with the molecular formula C₁₂H₉Br, widely utilized in organic synthesis and material science research. This crystalline solid, also known by its IUPAC name 1-bromo-4-phenylbenzene, serves as a versatile intermediate for the preparation of advanced polymers, liquid crystals, and pharmaceutical building blocks. With a bromine substituent on the para position of the biphenyl scaffold, it offers excellent reactivity in cross-coupling reactions such as Suzuki-Miyaura and Ullmann-type couplings. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied in sealed packaging under inert atmosphere to maintain stability. Available in quantities from grams to kilograms, it is ideal for laboratory-scale experiments and industrial applications requiring precise brominated aromatic precursors.

Properties

• CAS Number: 92-66-0
• Complexity: 141
• IUPAC Name: 1-bromo-4-phenyl-benzene
• InChI: InChI=1S/C12H9Br/c13-12-8-6-11(7-9-12)10-4-2-1-3-5-10/h1-9H
• InChI Key: PKJBWOWQJHHAHG-UHFFFAOYSA-N
• Exact Mass: 231.98876
• Molecular Formula: C12H9Br
• Molecular Weight: 233.10
• SMILES: C1=CC=C(C=C1)C2=CC=C(C=C2)Br
• Monoisotopic Mass: 231.98876
• Physical Description: 4-bromobiphenyl appears as colorless crystals. Insoluble in water.
• Boiling Point: 590 °F at 760 mmHg
• Melting Point: 196.2 °F
• Flash Point: 290 °F
• Solubility: Insoluble
• Density: 0.9327 – Less dense than water; will float
• Synonyms: 4-BROMOBIPHENYL, 1,1′-Biphenyl, 4-bromo-, Biphenyl, 4-bromo-, 4-Bromo-biphenyl, 4′-Bromobiphenyl, PBB 3, CCRIS 5890, UNII-OE77OKH5BL, OE77OKH5BL, EINECS 202-176-6, NSC 406933, DTXSID4024640, AI3-08855, BROMOBIPHENYL, 4-, 4-PHENYLBROMOBENZENE, NSC-406933, DTXCID804640, pBromobiphenyl, pBromodiphenyl, 4Bromodiphenyl, 4Biphenyl bromide, pPhenylbromobenzene, Biphenyl, 4bromo, pBiphenylyl bromide, 4-Monobromobiphenyl, 4Biphenylyl bromide, pPhenylphenyl bromide, (4Bromophenyl)benzene, 4Bromo1,1’biphenyl, 1,1’Biphenyl, 4bromo, 202-176-6, inchi=1/c12h9br/c13-12-8-6-11(7-9-12)10-4-2-1-3-5-10/h1-9, pkjbwowqjhhahg-uhfffaoysa-n, 92-66-0, 4-Bromo-1,1′-biphenyl, p-Bromobiphenyl, 1-bromo-4-phenylbenzene, 4-Bromodiphenyl, p-Bromodiphenyl, 4-Biphenyl bromide, p-Phenylbromobenzene, 4-(4′-bromophenyl)benzene, p-Biphenylyl bromide, 4-Biphenylyl bromide, p-Phenylphenyl bromide, (4-Bromophenyl)benzene, 1-bromo-4-phenyl-benzene, 4-bromo biphenyl, MFCD00000100, 4-Bromobiphenyl (PBB 3), MLS002152887, 4-brombiphenyl, SMR001224499, 4-bromo-1-phenylbenzene, bromobiphenyl(4-), PBB No. 3, 4-bromobipheny, 4-Brom-biphenyl, 4-biphenylbromide, p-mono-bromobiphenyl, PBB-No. 3 10 microg/mL in Cyclohexane, 4-Bromobiphenyl, 98%, cid_7101, SCHEMBL4691, 1-bromanyl-4-phenyl-benzene, SCHEMBL454076, SCHEMBL457757, SCHEMBL4585973, SCHEMBL8024740, CHEMBL1399688, SCHEMBL28033901, BDBM74259, CS-D1553, Tox21_200254, CX1307, NSC406933, SBB098052, STK050421, AKOS000202545, FB00903, PS-7682, CAS-92-66-0, NCGC00091652-01, NCGC00091652-02, NCGC00257808-01, AC-10043, DA-60335, HY-41826, PD210196, 4-Bromobiphenyl, technical, >=90% (GC), DB-014961, B1330, NS00003764, ST50406413, EN300-91508, AG-219/25001498, Q27285606, Z57073675

Application

4-Bromobiphenyl is extensively employed as a key synthetic intermediate in the preparation of organic electronic materials, including OLEDs and photovoltaic components. Researchers utilize this compound in palladium-catalyzed cross-coupling reactions to construct complex conjugated systems for optoelectronic applications. It also serves as a precursor for liquid crystal materials and pharmaceutical intermediates requiring biphenyl scaffolds with halogen functionality.

Safety and Hazards

GHS Hazard Statements

• H302 (92%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (94%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (88%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (92%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H400 (86%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (92%)
• Skin Irrit. 2 (94%)
• Eye Dam. 1 (88%)
• STOT SE 3 (92%)
• Aquatic Acute 1 (86%)

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