Description

2,2',7,7'-Tetraamino-9,9'-Spirobifluorene is a high-purity, multifunctional aromatic amine derivative with a rigid, three-dimensional spirobifluorene core. This compound is valued for its exceptional electronic properties and serves as a critical building block in advanced material science. It is primarily sought after by researchers and manufacturers in the organic electronics, photonics, and specialty polymer industries for developing next-generation functional materials.

Application

• Organic Light-Emitting Diodes (OLEDs): As a key hole-transporting or host material in emissive layers due to its favorable HOMO/LUMO levels and high thermal stability.
• Organic Photovoltaics (OPVs/Perovskite Solar Cells): Utilized as an electron-donor material or as an interfacial layer to improve charge extraction and device efficiency.
• Electrochromic Devices: Serves as a redox-active component for smart windows and displays, leveraging its multiple amine sites for color-changing properties.
• Coordination Chemistry & Catalysis: Acts as a versatile tetradentate ligand for constructing metal-organic frameworks (MOFs) or complexes for catalytic applications.
• High-Performance Polymers: A monomer for synthesizing polyimides, polyamides, or other engineering plastics with enhanced thermal and mechanical properties.
• Fluorescent Sensors and Probes: Its strong fluorescence and amine reactivity make it suitable for designing chemical sensors and bio-imaging agents.

Basic Information

Product Name	2,2',7,7'-Tetraamino-9,9'-Spirobifluorene
CAS No.	376356-61-5
Molecular Formula	C25H20N4
Molecular Weight	376.46 g/mol
Synonyms	9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetraamine; 2,2',7,7'-Tetrakis(amino)-9,9'-spirobifluorene; SBF-NH2; Tetraaminospirobifluorene; 2,2',7,7'-Tetraaminospirobifluorene; 4,4',4'',4'''-(9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetrayl)tetraaniline
EINECS	Contact for details

Quality Control

Our 2,2',7,7'-Tetraamino-9,9'-Spirobifluorene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency essential for research and production. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated place. This product is easily oxidized and light-sensitive.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.5%
Solubility	Soluble in DMF, DMSO; slightly soluble in common organic solvents

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