(FFDA) - ≥99.5% , CAS No.127926-65-2

CAS: 127926-65-2 Cat. No.: F1507149 Molecular Weight: 384.43 EC Number: 678-173-2

GRADE & PURITY ≥99.5%

Storage

Room temperature

Specifications

Specifications & Purity

≥99.5%

Storage

Room temperature

Purity

≥99.5%

Names and Identifiers

• Canonical Smiles: NC1=C(F)C=C(C=C1)C1(C2=CC=CC=C2C2=CC=CC=C12)C1=CC(F)=C(N)C=C1
• IUPAC Name: 4,4'-(9H-Fluorene-9,9-diyl)bis(2-fluoroaniline)
• InChIKey: RXNKCIBVUNMMAD-UHFFFAOYSA-N
• INCHI: InChI=1S/C25H18F2N2/c26-21-13-15(9-11-23(21)28)25(16-10-12-24(29)22(27)14-16)19-7-3-1-5-17(19)18-6-2-4-8-20(18)25/h1-14H,28-29H2
• Isomeric SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3C2(C4=CC(=C(C=C4)N)F)C5=CC(=C(C=C5)N)F
• Molecular Weight: 384.43
• Reaxy-Rn: 32889354
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=32889354&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Fluorenes

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: Fluorenes
• Subclass: Not available
• Intermediate Tree Nodes: Not available
• Direct Parent: Fluorenes
• Alternative Parents: Aniline and substituted anilines Fluorobenzenes Aryl fluorides Primary amines Organofluorides Hydrocarbon derivatives
• Molecular Framework: Aromatic homopolycyclic compounds
• Substituents: Fluorene - Aniline or substituted anilines - Halobenzene - Fluorobenzene - Monocyclic benzene moiety - Aryl halide - Aryl fluoride - Organic nitrogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Organofluoride - Organohalogen compound - Amine - Aromatic homopolycyclic compound
• Description: This compound belongs to the class of organic compounds known as fluorenes. These are compounds containing a fluorene moiety, which consists of two benzene rings connected through either a cyclopentane, cyclopentene, or cyclopenta-1,3-diene.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

References

1. Fangxu Fan, Yongchao Sun, Lu Bai, Tianyou Li, Zeyuan Gao, Gaohong He, Canghai Ma.  (2025)  Fluorinated-cardo-based thermally rearranged membranes with enhanced gas separation performance for CO2 capture and hydrogen separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2025.123843]

2. Shibo Zhao, Xinjun Wen, Hongge Jia, Mingyu Zhang, Yanqing Qu, Chengbao Geng.  (2026)  Fluorene-functionalized intrinsic microporous polyimide thermal reforming membrane [PIM-PI(TR) membrane] for biogas purification: High CO₂ permeability and CO₂/CH₄ selectivity exceeding the Robeson.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2026.137062]