Description

4,4”-Dibromo-p-terphenyl (CAS No. 17788-94-2) is a high-purity brominated aromatic compound with the molecular formula C₁₈H₁₂Br₂. This advanced organic intermediate is widely utilized in materials science, pharmaceuticals, and OLED research due to its robust thermal stability and electron-withdrawing properties. Ideal for cross-coupling reactions, polymerization, and as a building block for liquid crystals or optoelectronic materials. Our product is rigorously tested for purity (≥98% by HPLC) and is supplied as a fine white crystalline powder, ensuring consistent performance in synthetic applications. Suitable for researchers and industrial chemists seeking precision in advanced organic synthesis.

Properties

• CAS Number: 17788-94-2
• Complexity: 250
• IUPAC Name: 1,4-bis(4-bromophenyl)benzene
• InChI: InChI=1S/C18H12Br2/c19-17-9-5-15(6-10-17)13-1-2-14(4-3-13)16-7-11-18(20)12-8-16/h1-12H
• InChI Key: VAIPJQIPFPRJKJ-UHFFFAOYSA-N
• Exact Mass: 387.92853
• Molecular Formula: C18H12Br2
• Molecular Weight: 388.1
• SMILES: C1=CC(=CC=C1C2=CC=C(C=C2)Br)C3=CC=C(C=C3)Br
• Monoisotopic Mass: 385.93058
• Synonyms: 4,4”-Dibromo-p-terphenyl, 677-187-6, 17788-94-2, 4,4”-Dibromo-1,1′:4′,1”-terphenyl, 1,4-bis(4-bromophenyl)benzene, 4,4/’/’-Dibromo-p-terphenyl, 1,1′:4′,1”-Terphenyl, 4,4”-dibromo-, C18H12Br2, MFCD00272889, SCHEMBL1673427, 4,4”-Dibromo-p-terphenyl, DTXSID40498987, VAIPJQIPFPRJKJ-UHFFFAOYSA-N, BCP12895, AKOS016009870, CS-W011738, FD62326, SB66532, AS-15905, DB-065203, D3372, 4,4”-Dibromo-[1,1′;4′,1”]terphenyl, 1~4~,3~4~-Dibromo-1~1~,2~1~:2~4~,3~1~-terphenyl

4,4”-Dibromo-p-terphenyl serves as a key precursor in Suzuki-Miyaura coupling reactions to construct extended π-conjugated systems for organic semiconductors. It is employed in the synthesis of luminescent materials for OLEDs due to its rigid terphenyl backbone. Researchers also utilize it to develop liquid crystalline compounds and high-performance polymers with tailored electronic properties.

Safety and Hazards

GHS Hazard Statements

• H315 (97.6%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (97.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (97.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H400 (97.6%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
• H410 (97.6%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (97.6%)
• Eye Dam. 1 (97.6%)
• STOT SE 3 (97.6%)
• Aquatic Acute 1 (97.6%)
• Aquatic Chronic 1 (97.6%)

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