Description

Perfluoro(4-Methoxybutanoic) Acid is a highly fluorinated carboxylic acid characterized by its strong acidity and unique perfluorinated ether chain. This compound is valued for its exceptional chemical and thermal stability, which is imparted by the perfluorinated structure, making it a critical intermediate for advanced material synthesis. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel fluorinated compounds, surfactants, and performance materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block for synthesizing novel fluorinated active pharmaceutical ingredients (APIs) and prodrugs, leveraging its metabolic stability.
• Agrochemical Synthesis: Used in the research and development of next-generation fluorinated pesticides and herbicides, where the perfluoroether moiety can enhance bioavailability and environmental persistence.
• Specialty Polymer & Material Science: Acts as a monomer or modifier for creating high-performance fluoropolymers and surface-active agents with superior oil, water, and chemical repellency.
• Electrolyte Additive: Investigated for use in advanced lithium-ion battery electrolytes to improve thermal stability and interfacial properties.
• Catalyst & Ligand Preparation: Utilized in the synthesis of fluorinated ligands and catalysts for applications in asymmetric synthesis and demanding chemical processes.
• Surface Treatment & Coatings: Employed to develop low-surface-energy coatings for electronic, textile, and industrial applications.

Basic Information

Product Name	Perfluoro(4-Methoxybutanoic) Acid
CAS No.	863090-89-5
Molecular Formula	C5HF9O3
Molecular Weight	280.04 g/mol
Synonyms	4-Methoxyperfluorobutanoic Acid; Perfluoro(4-methoxybutyric acid); 2,2,3,3,4,4,5,5,5-Nonafluoro-4-methoxypentanoic Acid; 4-Methoxy-nonafluorobutanoic Acid; PFMOBA; Heptafluoro-2-(trifluoromethyl)-3-oxa-pentanoic Acid; Non-9-ene-1-perfluoromethoxy acid (related); Perfluoromethoxybutyric Acid
EINECS	Contact for details

Quality Control

Our Perfluoro(4-Methoxybutanoic) Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents. Use appropriate corrosion-resistant containment.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	Conforms

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