Description

Methanesulfonic Acid 4,4,5,5,5-Pentafluoro-Pentyl Ester is a specialized fluorinated sulfonate ester, a key building block in advanced organic synthesis. This high-value intermediate is critical for introducing the unique properties of fluorine into target molecules, enabling the development of materials with enhanced stability and performance. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty materials sectors for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of fluorinated active pharmaceutical ingredients (APIs) to improve metabolic stability and bioavailability.
• Agrochemical Synthesis: Serves as a key reagent for creating novel fluorinated pesticides and herbicides with increased efficacy and environmental persistence.
• Liquid Crystal & OLED Materials: Acts as a precursor in the production of fluorinated components for electronic display and lighting technologies.
• Polymer Modification: Employed to introduce fluorinated side chains into polymers, enhancing properties like chemical resistance, hydrophobicity, and thermal stability.
• Surface Active Agents: Utilized in the development of specialty fluorinated surfactants and coatings.
• Cross-coupling Reactions: Functions as an alkylating agent or an electrophile in palladium-catalyzed and other metal-mediated coupling reactions.

Basic Information

Product Name	Methanesulfonic Acid 4,4,5,5,5-Pentafluoro-Pentyl Ester
CAS No.	252947-01-6
Molecular Formula	C6H7F5O3S
Molecular Weight	254.18 g/mol
Synonyms	4,4,5,5,5-Pentafluoropentyl Methanesulfonate; 1H,1H,2H,2H-Perfluoropentyl Methanesulfonate; Pentafluoropentyl Mesylate; 4,4,5,5,5-Pentafluoro-1-pentanol Methanesulfonate; 5,5,5-Trifluoro-4,4-bis(trifluoromethyl)pentyl Methanesulfonate (alternative structural interpretation); Mesylic Acid 4,4,5,5,5-Pentafluoro-Pentyl Ester; Perfluoropentyl Methanesulfonate; PFPM
EINECS	Contact for details

Quality Control

Our production of Methanesulfonic Acid 4,4,5,5,5-Pentafluoro-Pentyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Every lot is characterized by advanced analytical techniques including GC, HPLC, and NMR. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C/59-77°F). Keep away from strong bases and incompatible materials. Due to its fluoride/strong alkali reactive nature, ensure proper segregation in storage areas.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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