Description

Methanesulfonic Acid 4-Fluorobutyl Ester is a specialized fluorinated organic building block of significant interest in advanced chemical synthesis. Its value lies in its unique structure, which combines a reactive sulfonate ester group with a fluorinated alkyl chain, enabling precise molecular modifications. This compound is primarily needed by researchers and manufacturers in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing fluorinated butyl motifs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where fluorination enhances biological activity and stability.
• Liquid Crystal & Electronic Chemicals: Serves as a precursor or modifying agent in the production of fluorinated liquid crystals and specialty electronic materials.
• Organic Synthesis Reagent: Acts as an alkylating agent or a protected intermediate in complex multi-step organic reactions in R&D laboratories.
• Material Science Research: Employed in the development of novel polymers, surfactants, and coatings with specific surface properties.

Basic Information

Product Name	Methanesulfonic Acid 4-Fluorobutyl Ester
CAS No.	592-61-0
Molecular Formula	C5H11FO3S
Molecular Weight	170.20 g/mol
Synonyms	4-Fluorobutyl methanesulfonate; 1-Fluoro-4-(methylsulfonyloxy)butane; 4-Fluorobutyl mesylate; Butyl, 4-fluoro-, methanesulfonate; Mesylic acid 4-fluorobutyl ester; Methanesulfonic acid, 4-fluorobutyl ester; 592-61-0; 4-Fluorobutyl methanesulphonate
EINECS	Contact for details

Quality Control

Our Methanesulfonic Acid 4-Fluorobutyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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