Description

2,7-Dibromo-9,9'-Spiro-Bifluorene is a high-purity brominated spirobifluorene derivative, a critical organic building block in advanced materials science. Its value lies in its rigid, three-dimensional molecular structure and excellent optoelectronic properties, which are essential for developing high-performance electronic devices. This compound is primarily needed by researchers and manufacturers in the organic light-emitting diode (OLED), organic photovoltaic (OPV), and organic field-effect transistor (OFET) industries.

Application

• OLED Emitter and Host Material: Serves as a core building block for blue or deep-blue emitting layers and host materials in organic light-emitting diodes due to its high triplet energy and good hole-transporting ability.
• Organic Semiconductor Precursor: Used in the synthesis of conjugated polymers and small molecules for organic photovoltaics (OPV) and organic field-effect transistors (OFETs).
• Cross-Coupling Reactions: Acts as a key intermediate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to construct complex π-conjugated systems.
• Material Science Research: Employed in academic and industrial R&D for developing novel electroactive and photoactive materials.
• Liquid Crystal and Perovskite Components: Utilized as a functional moiety in the design of liquid crystal materials and as an additive or interface layer in perovskite solar cells.

Basic Information

Item	Detail
Product Name	2,7-Dibromo-9,9'-Spiro-Bifluorene
CAS No.	171408-84-7
Molecular Formula	C25H14Br2
Molecular Weight	498.19 g/mol
Synonyms	2,7-Dibromospirobifluorene; 9,9'-Spirobi[9H-fluorene]-2,7-dibromo; 2,7-Dibromo-9,9'-spirobi[fluorene]; Spiro[fluorene-9,9'-xanthene]-2,7-dibromo derivative (related); DBr-SBF; CAS 171408-84-7
EINECS	Contact for details

Quality Control

Our 2,7-Dibromo-9,9'-Spiro-Bifluorene is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for optoelectronic performance. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.