Description

9-Chlorohexadecafluorononanoic Acid Methyl Ester is a high-purity, fully fluorinated organic building block with a terminal chloro substituent. This compound matters for its unique combination of extreme hydrophobicity, oleophobicity, and chemical inertness, derived from its perfluorinated carbon chain. It is primarily needed by R&D chemists and process engineers in the advanced materials, specialty chemical, and pharmaceutical industries for synthesizing novel fluorinated surfactants, polymers, and surface modifiers.

Application

• Fluorinated Surfactant & Polymer Synthesis: A key intermediate for manufacturing high-performance, low-surface-tension surfactants and fluoropolymers.
• Surface Modification Agent: Imparts oil, water, and stain repellency to textiles, coatings, and membranes.
• Pharmaceutical & Agrochemical Intermediate: Used to introduce fluorinated motifs into bioactive molecules to enhance metabolic stability and lipophilicity.
• Lithography & Electronics: Potential precursor for photoresists and dielectric materials in semiconductor manufacturing.
• Firefighting Foam Components (Legacy/Research): Research into next-generation, environmentally conscious fluorosurfactants.
• Specialty Lubricants & Additives: Contributes to the development of high-temperature, chemically resistant lubricants.

Basic Information

Product Name	9-Chlorohexadecafluorononanoic Acid Methyl Ester
CAS No.	261503-65-5
Molecular Formula	C10H4ClF16O2
Molecular Weight	504.57 g/mol
Synonyms	Methyl 9-chlorohexadecafluorononanoate; Methyl 9-chloroperfluorononanoate; Perfluorononanoic acid, 9-chloro-, methyl ester; 9-Chloroperfluorononanoic Acid Methyl Ester; C9-PFCA Methyl Ester (chlorinated); F(CF2)8CFClCOOCH3; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 9-Chlorohexadecafluorononanoic Acid Methyl Ester is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards and provide comprehensive analytical data. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong acids, bases, and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed in a dry environment to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Chloride Content	Confirmatory

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