Description

1,18-Difluorooctadecane is a high-purity, long-chain aliphatic difluoroalkane, a valuable fluorinated building block for advanced organic synthesis. Its unique structure, featuring terminal fluorine atoms on an 18-carbon chain, makes it a critical intermediate for introducing lipophilic fluorinated segments into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries seeking to modify the physical, chemical, and biological properties of their products.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly for creating lipophilic fluorinated moieties that can enhance membrane permeability and metabolic stability.
• Agrochemical Synthesis: Serves as a key precursor for developing advanced pesticides and herbicides with improved environmental persistence and efficacy.
• Fluorinated Surfactant & Polymer Production: Acts as a monomer or modifier for creating specialty fluorosurfactants and polymers with unique surface properties, such as oil and water repellency.
• Liquid Crystal & Electronic Material Research: Employed in the development of fluorinated liquid crystals and dielectric fluids for display technologies and electronic applications.
• Organic Synthesis Building Block: A versatile reagent for nucleophilic substitution and coupling reactions to construct complex fluorinated organic architectures.
• Surface Modification Agent: Used to impart hydrophobic and oleophobic characteristics to various materials, including textiles, coatings, and membranes.

Basic Information

Product Name	1,18-Difluorooctadecane
CAS No.	408-43-5
Molecular Formula	C₁₈H₃₆F₂
Molecular Weight	290.48 g/mol
Synonyms	Octadecane, 1,18-difluoro-; 1,18-Difluoro-octadecane; 1,18-Difluorooctadecane; Octadecane,1,18-difluoro-; 1,18-Difluoro octadecane; Difluorooctadecane; 408-43-5 (CAS)
EINECS	Contact for details

Quality Control

Our 1,18-Difluorooctadecane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, ensuring full traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.85 g/mL

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