Description

4,4’-Bi-9,9’-Spirobi[9H-Fluurene] is a high-purity organic compound with the CAS number 1161009-90-0, serving as a sophisticated building block in advanced materials science. This compound is valued for its rigid, three-dimensional spirobi[9H-fluorene] core, which imparts excellent thermal stability and unique optoelectronic properties. It is primarily sought after by researchers and manufacturers in the organic electronics and fine chemical synthesis sectors for developing next-generation materials.

Application

• As a key hole-transport material (HTM) or host material in Organic Light-Emitting Diodes (OLEDs) and Perovskite Solar Cells.
• As a high-performance building block for synthesizing novel polymers and small molecules with enhanced thermal and morphological stability.
• In the research and development of advanced organic semiconductors for field-effect transistors (OFETs).
• As a fluorescent probe or tag in specialized analytical chemistry and materials characterization.
• For the synthesis of complex ligands in coordination chemistry and catalysis.
• In the development of optical materials, including nonlinear optical (NLO) materials and waveguides.

Basic Information

Product Name	4,4’-Bi-9,9’-Spirobi[9H-Fluurene]
CAS No.	1161009-90-0
Molecular Formula	C50H28
Molecular Weight	628.77 g/mol
Synonyms	4,4'-Bis(9,9'-spirobi[9H-fluoren]-2-yl)biphenyl; 2,2',7,7'-Tetraphenyl-9,9'-spirobi[9H-fluorene]; 4,4'-Di(9,9'-spirobi[9H-fluoren]-2-yl)-1,1'-biphenyl; 9,9'-Spirobi[9H-fluorene], 4,4'-bi-; SFB; Spirobi[9H-fluorene] dimer; 4,4'-Bis(spirobi[9H-fluoren]-9,9'-diyl)biphenyl
EINECS	Contact for details

Quality Control

Our 4,4’-Bi-9,9’-Spirobi[9H-Fluurene] is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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