Description

2,7-Dichloro-9-(4-Chlorobenzylidene)-9H-Fluorene is a specialized halogenated fluorene derivative that serves as a critical synthetic intermediate and functional material. This compound is valued for its unique conjugated structure, which provides a versatile scaffold for the development of advanced organic molecules. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and material science industries for applications in organic synthesis and as a potential building block for functional dyes and electronic materials.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific biological pathways.
• Agrochemical Synthesis: Serves as a key precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Acts as a building block for organic semiconductors, hole-transport materials, and light-emitting materials in OLED research.
• Functional Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments for high-performance applications.
• Chemical Research & Development: Employed as a standard or reagent in academic and industrial R&D for exploring new organic reactions and methodologies.
• Liquid Crystal & Photochromic Material Precursor: Investigated for use in the synthesis of compounds for display technologies and smart materials.

Basic Information

Product Name	2,7-Dichloro-9-(4-Chlorobenzylidene)-9H-Fluorene
CAS No.	4364-35-6
Molecular Formula	C20H11Cl3
Molecular Weight	365.66 g/mol
Synonyms	9-[(4-Chlorophenyl)methylene]-2,7-dichloro-9H-fluorene; 2,7-Dichloro-9-(p-chlorobenzylidene)fluorene; 9-(4-Chlorobenzylidene)-2,7-dichlorofluorene; NSC 406913; Fluorene, 2,7-dichloro-9-[(4-chlorophenyl)methylene]-; 2,7-Dichloro-9-(4-chlorobenzylidene)fluorene
EINECS	Contact for details

Quality Control

Our 2,7-Dichloro-9-(4-Chlorobenzylidene)-9H-Fluorene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a Certificate of Analysis (COA) with key parameters including assay (HPLC), related substances, and identification. Specifications can be aligned with customer requirements for research or commercial scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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