Description

2H,2H,3H,3H-Perfluoropentanoic Acid is a specialized fluorinated carboxylic acid characterized by its unique partially fluorinated alkyl chain. This compound is valued for its combination of strong acidity and the hydrophobic, oleophobic properties imparted by fluorine, making it a versatile intermediate in advanced material synthesis. It is primarily required by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating surfactants, coatings, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Used in the synthesis of fluorinated active pharmaceutical ingredients (APIs) and prodrugs to enhance metabolic stability and bioavailability.
• Agrochemical Synthesis: Serves as a key building block for creating novel fluorinated pesticides and herbicides with improved environmental persistence and efficacy.
• Specialty Surfactants & Coatings: Acts as a precursor for fluorosurfactants and surface treatment agents, providing oil, water, and stain repellency in coatings and textiles.
• Polymer Modification: Employed to introduce fluorinated side chains into polymers, altering surface properties and chemical resistance for high-performance materials.
• Electronics Industry: Used in the formulation of etching solutions and as a component in the production of fluorinated electronic chemicals.
• Research & Development: A critical reagent in organic and medicinal chemistry research for exploring structure-activity relationships in fluorinated compounds.

Basic Information

Product Name	2H,2H,3H,3H-Perfluoropentanoic Acid
CAS No.	3637-31-8
Molecular Formula	C5H5F7O2
Molecular Weight	230.08 g/mol
Synonyms	Perfluoropentanoic Acid, 2,2,3,3-Tetrafluoropropionic Acid Heptafluorobutyl Ester; 4,4,5,5,5-Pentafluoro-3-(trifluoromethyl)pentanoic Acid; 3H,3H-Perfluoropentanoic Acid; Nonadecafluorodecanoic Acid (common misnomer, verify context); Pentafluoropropionic Acid Butyl Ester; FC-4 Acid (industry abbreviation); Heptafluorobutyric Acid Ethyl Ester Homolog
EINECS	Contact for details

Quality Control

Every batch of 2H,2H,3H,3H-Perfluoropentanoic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed using techniques including HPLC, GC, NMR, and titration. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its nature as a strong acid/organic solvent, it should be stored separately from bases, oxidizing agents, and reactive metals.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.300 - 1.330
Density (20°C)	1.500 - 1.600 g/mL

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