Description

2,7-Dibromo-9,9′-spirobi[9H-fluorene] (CAS No. 171408-84-7) is a high-purity brominated spirobifluorene derivative with the molecular formula C₂₅H₁₄Br₂. This compound features a rigid spiro-conjugated structure, making it an excellent building block for advanced organic electronic materials. Its IUPAC name is 2′,7′-dibromo-9,9′-spirobi[fluorene], and it is widely recognized for its role in the synthesis of organic semiconductors, OLEDs, and other optoelectronic devices. The dibromo substitution at the 2,7-positions enhances its reactivity for further functionalization, enabling precise tuning of electronic properties. Suitable for researchers and scientists, this product is rigorously tested for purity and consistency, ensuring reliable performance in demanding applications.

Properties

• CAS Number: 171408-84-7
• Complexity: 523
• IUPAC Name: 2′,7′-dibromo-9,9′-spirobi[fluorene]
• InChI: InChI=1S/C25H14Br2/c26-15-9-11-19-20-12-10-16(27)14-24(20)25(23(19)13-15)21-7-3-1-5-17(21)18-6-2-4-8-22(18)25/h1-14H
• InChI Key: UPJLZKCEPFAKSH-UHFFFAOYSA-N
• Exact Mass: 473.94418
• Molecular Formula: C25H14Br2
• Molecular Weight: 474.2
• SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C24C5=C(C=CC(=C5)Br)C6=C4C=C(C=C6)Br
• Monoisotopic Mass: 471.94623
• Synonyms: 2,7-Dibromo-9,9′-spirobi[9H-fluorene], 2,7-Dibromo-9,9′-spirobi(9H-fluorene), 805-788-7, 171408-84-7, 2,7-DIBROMO-9,9′-SPIROBIFLUORENE, 2,7-dibromo-9,9′-spiro-bifluorene, 2,7-dibromo-9,9′-spirobi[fluorene], 2,7-Dibromo-9,9-Spiro-Bifluorene, 2′,7′-dibromo-9,9′-spirobi[fluorene], MFCD08704218, 9,9′-Spirobi[9H-fluorene], 2,7-dibromo-, SCHEMBL996751, DTXSID00573926, UPJLZKCEPFAKSH-UHFFFAOYSA-N, BCP14154, 2,7-dibromo-9,9′-spirobi fluorene, CX1130, AKOS015889726, 2,7-Dibromo-9,9/’-spiro-bifluorene, AC-4887, CS-W011534, DS-0974, SB66585, SY036340, 2,7-Dibromo-9,9′-spirobifluorene, 95%, D3781, 2,7-Dibromo-9,9 inverted exclamation mark -spirobifluorene

Application

2,7-Dibromo-9,9′-spirobi[9H-fluorene] is primarily used as a key intermediate in the synthesis of organic semiconductors and light-emitting materials for OLEDs. Its rigid spirobifluorene core contributes to high thermal and morphological stability in optoelectronic devices. Researchers also employ this compound in the development of hole-transporting materials and host matrices for phosphorescent emitters. Its dibromo functionality allows for efficient cross-coupling reactions, facilitating the construction of π-conjugated systems.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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