Description

5,7-Difluoro-1H-Indene is a fluorinated indene derivative, a versatile and high-value organic intermediate. Its unique structure, featuring fluorine atoms at the 5 and 7 positions, makes it a critical building block for synthesizing advanced materials and pharmaceuticals. This compound is primarily sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with enhanced properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for candidates requiring fluorinated aromatic systems to modulate bioavailability and metabolic stability.
• Agrochemical Synthesis: Used in the creation of advanced herbicides, fungicides, and insecticides where the difluoro-indene core contributes to biological activity and environmental persistence profiles.
• Material Science Precursor: Serves as a monomer or building block for developing novel polymers, liquid crystals, and organic electronic materials with specific optical or electronic properties.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, cycloadditions, and as a scaffold for constructing complex polycyclic structures in medicinal and process chemistry.
• Fluorine Chemistry Research: An important compound for academic and industrial research focused on the synthesis and reactivity of fluorinated aromatic and alicyclic systems.

Basic Information

Product Name	5,7-Difluoro-1H-Indene
CAS No.	939760-79-9
Molecular Formula	C9H6F2
Molecular Weight	152.14 g/mol
Synonyms	1H-Indene, 5,7-difluoro-; 5,7-Difluoroindene; 5,7-Difluoro-1H-indene; Difluoroindene; 939760-79-9
EINECS	Contact for details

Quality Control

Our 5,7-Difluoro-1H-Indene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with customer specifications and supporting regulatory filings for target industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep the container tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥97.0% (Standard Grade)
Purity (GC)	≥97.0%
Melting Point	Contact for details
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Single Unknown Impurity (HPLC)	≤1.0%
Total Impurities (HPLC)	≤3.0%

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