9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine

Product Details

CAS No:376356-61-5

MF:C25H20N4

Appearance:white or light-yellow crystalline powder

Specification:98.5%

UN number:-

Package:1/5/10/25kgs/drum

Supply Capacity:KGS

Synonyms:2,2',7,7'-Tetraamino-9,9'-spirobifluorene;2,2',7,7'-tetraamino-9,9'-spirobi[9H-fluorene];IN1649, 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine;9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine;9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine; 376356-61-5; 9,9'-Spirobi[fluorene]-2,2',7,7'-tetraamine; 2,2',7,7'-Tetraamino-9,9'-spirobifluorene; 9,9'-spirobi[fluorene]-2,2',7,7'-tetramine; MFCD34178733; SCHEMBL807365; BS-47627; CS-0170385; F75801; F691166; 2,2',7,7'-tetraamino-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine; 9,9''-Spirobi[fluorene]-2,2'',7,7''-tetraamine; IN1649, 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine

Product application:9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine,376356-61-5,2,2',7,7'-Tetraamino-9,9'-spirobifluorene,Spirobifluorene tetramine,Spiro-tetraamine,Spiro-OMeTAD precursor,Perovskite solar cell hole transport material intermediate,OLED hole injection material monomer,Organic semiconductor raw material,Orthogonal 3D rigid building block,Covalent organic frameworks COFs monomer,Polymers of intrinsic microporosity PIMs building block,High Tg polyimide monomer,Tetra-functional aromatic amine,Heat resistant crosslinker,Fluorescent sensing probe intermediate,Fine chemical intermediate,High purity 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine 99%,9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine manufacturer China,CAS 376356-61-5 supplier,Suzhou Health Chemicals optoelectronic chemicals,Spirobifluorene tetramine wholesale bulk export

 

9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine serves as an indispensable, ultra-pure three-dimensional rigid spirocyclic core intermediate, premier photoactive electronic building block, and versatile polyfunctional organic synthon extensively utilized across next-generation perovskite photovoltaics, cutting-edge OLED displays, porous covalent organic frameworks, aerospace high-temperature polymers, and advanced engineering sectors. In solar energy conversion and electronic display manufacturing, it represents the foundational, irreplaceable chemical precursor for the commercial synthesis of 2,2',7,7'-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene (Spiro-OMeTAD), the benchmark hole-transport material that underpins state-of-the-art perovskite solar cells; its distinctive molecular architecture features two perpendicular fluorene rings interconnected through a central spiro carbon atom, which effectively suppresses intermolecular close packing and solid-state recrystallization, thereby promoting uniform amorphous film formation with exceptionally high glass transition temperatures (Tg), robust thermal stability, and optimized hole mobilities that elevate photovoltaic efficiency and operational device longevity. In OLED and organic field-effect transistor technologies, it is functionalized into high-performance hole-injection layers, host emitters, and thermally activated delayed fluorescence (TADF) systems that minimize energy barrier losses and prevent exciton quenching. In porous materials and macromolecular chemistry, utilizing its four tetrahedrally distributed aromatic primary amine handles, it operates as an idealized structural node for constructing crystalline covalent organic frameworks (COFs), conjugated microporous polymers (CMPs), and polymers of intrinsic microporosity (PIMs) targeted for selective carbon dioxide capture, hydrogen storage, lithium-sulfur battery separators, and heterogeneous asymmetric catalysis. In aerospace composite engineering and microelectronic packaging, it acts as a premier multifunctional crosslinker and monomer for fabricating specialized hyperbranched polyimides, structural bismaleimide adhesives, and epoxy encapsulation resins that exhibit continuous resistance to extreme thermal fatigue above 400 degrees Celsius. Furthermore, in specialized optical sensor probes, high-durability automotive topcoats, non-destructive electronic testing materials, and high-temperature electrical insulation coatings for downhole petroleum exploration tools, molecular networks engineered from 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine deliver unmatched structural rigidity, thermal endurance, and broad multi-industry performance.