Description

9,9'-Spirobi[9H-Fluorene]-3,6-Diamine, N3,N3,N6,N6-Tetraphenyl- is a high-purity, functionalized spirobifluorene derivative that serves as a critical advanced intermediate in the synthesis of sophisticated organic electronic materials. Its value lies in its rigid, three-dimensional molecular structure and the presence of multiple phenyl-substituted amine groups, which are essential for tuning electronic properties and processability. This compound is primarily needed by R&D chemists and manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) sectors for developing next-generation emissive and charge-transport layers.

Application

• OLED Emitter Synthesis: Serves as a core building block for host materials, particularly in blue and green phosphorescent OLEDs, due to its high triplet energy and good hole-transport characteristics.
• Hole-Transporting Materials (HTMs): Used in the development of efficient HTMs for perovskite solar cells and organic photovoltaics, leveraging its electron-donating amine groups.
• Cross-linking Agent: Functions as a cross-linker in the production of insoluble, high-performance polymer networks for electronic applications, enhancing thermal and morphological stability.
• Organic Semiconductor Research: A key intermediate in academic and industrial R&D for creating novel n-type or ambipolar organic semiconductors.
• Luminescent Material Development: Utilized in the synthesis of metal-organic frameworks (MOFs) or coordination polymers with tailored photoluminescent properties.
• High-Refractive-Index Polymers: Incorporated into polymer backbones to create advanced optical materials for lenses and coatings.

Basic Information

Product Name	9,9'-Spirobi[9H-Fluorene]-3,6-Diamine, N3,N3,N6,N6-Tetraphenyl-
CAS No.	848679-59-4
Molecular Formula	C61H40N2
Molecular Weight	800.98 g/mol
Synonyms	N3,N3,N6,N6-Tetraphenyl-9,9'-spirobi[9H-fluorene]-3,6-diamine; 3,3',6,6'-Tetra(phenylamino)-9,9'-spirobifluorene; Spiro(TAD); 2,2',7,7'-Tetra(phenylamino)-9,9'-spirobifluorene; 9,9'-Spirobifluorene-3,6-diamine, N3,N3,N6,N6-tetraphenyl-; TAD (hole transport material derivative); Spiro-TAD analogue; 3,6-Bis(diphenylamino)-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Our 9,9'-Spirobi[9H-Fluorene]-3,6-Diamine, N3,N3,N6,N6-Tetraphenyl- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, which is critical for optoelectronic device performance. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and GC-MS, to confirm identity and purity while monitoring for trace metallic impurities. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its light-sensitive and easily oxidized nature, prolonged exposure to air and light must be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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