Description

9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetramine is a high-purity, multi-functional aromatic amine derivative, serving as a critical building block in advanced material synthesis. Its value lies in its rigid, conjugated spirobi[fluorene] core and four reactive amine groups, enabling precise molecular engineering for high-performance applications. This compound is essential for R&D and production in the organic electronics, polymer science, and specialty chemical sectors, where it is used to create materials with tailored electronic and optical properties.

Application

• Organic Light-Emitting Diodes (OLEDs): Acts as a key hole-transporting material (HTM) or host material in emissive layers due to its excellent charge carrier mobility and thermal stability.
• Polyimide and High-Performance Polymers: Serves as a diamine monomer for synthesizing polyimides and other polymers with exceptional thermal resistance, mechanical strength, and low dielectric constants for flexible electronics and aerospace components.
• Crosslinking Agents & Curing Agents: Used in epoxy resin systems and other thermosetting polymers to enhance crosslink density, improving thermal and chemical resistance of final coatings and composites.
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring a rigid, multi-functional aromatic scaffold.
• Liquid Crystal Materials: Functions as a core structure in the development of novel liquid crystals for display technology, leveraging its planar rigidity and substituent positions.
• Corrosion Inhibitors & Functional Additives: Incorporated into formulations where its aromatic amine groups can chelate metals or form protective films on surfaces.
• Dye & Pigment Intermediates: Used in the synthesis of advanced organic dyes and pigments, particularly for applications requiring high color fastness and stability.
• Research & Development: A valuable reagent for academic and industrial research in material science, supramolecular chemistry, and catalysis.

Basic Information

Product Name	9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetramine
CAS No.	622011-41-0
Molecular Formula	C25H20N4
Molecular Weight	376.46 g/mol
Synonyms	3,3',6,6'-Tetraamino-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-3,3',6,6'-tetraamine; SFTA; Spirobi[fluorene]tetramine; 2,2',7,7'-Tetraamino-9,9'-spirobifluorene; 9,9'-Spirobifluorene-3,3',6,6'-tetramine; 3,3',6,6'-Tetraminospirobifluoren; 2,2',7,7'-Tetramino-9,9'-spirobifluorene
EINECS	Contact for details

Quality Control

Every batch of 9,9'-Spirobi[Fluorene]-3,3',6,6'-Tetramine is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure consistency and high purity. Our standard quality commitment includes HPLC purity ≥98% (with higher grades available), identity confirmation via spectroscopic methods, and stringent control of residual solvents and metallic impurities. A detailed Certificate of Analysis (COA) is provided with each shipment, and we support compliance with relevant regulatory frameworks for our customers' specific applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige 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%
Heavy Metals (as Pb)	≤ 10 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.