Description

Perfluoroheptanoic Acid CAS NO 375-85-9 is a high-purity, fully fluorinated carboxylic acid characterized by its exceptional chemical and thermal stability. This compound serves as a critical building block and performance additive in advanced material science, where its unique perfluorinated chain imparts valuable hydrophobic, oleophobic, and non-stick properties. It is essential for manufacturers and R&D facilities in the electronics, polymer, and specialty chemical industries seeking to enhance product performance and durability.

Application

• Fluoropolymer Modification: Acts as a key monomer or additive to improve the surface properties, lubricity, and chemical resistance of fluorinated polymers and coatings.
• Electronics Industry: Used in the formulation of specialized etchants, cleaning agents, and surface treatments for semiconductor manufacturing and electronic components.
• Surfactant & Surface Treatment: Serves as a precursor for high-performance fluorosurfactants and textile finishes, providing water, oil, and stain repellency.
• Pharmaceutical & Agro-chemical Intermediates: Utilized in the synthesis of complex molecules where the introduction of a perfluoroalkyl group is required for bioactivity or stability.
• Analytical Chemistry & Research: Employed as a standard or reagent in analytical methods and academic research focused on fluorinated compounds.
• Lithium-ion Battery Electrolytes: Investigated as an additive to improve the safety, stability, and performance of electrolyte formulations.

Basic Information

Product Name	Perfluoroheptanoic Acid
CAS No.	375-85-9
Molecular Formula	C7HF13O2
Molecular Weight	364.06 g/mol
Synonyms	Perfluoro-n-heptanoic Acid; Tridecafluoroheptanoic Acid; Heptadecafluoroheptanoic Acid; Pentafluoropropionic Acid Heptafluorobutyl Ester (related); PFHpA; F7A; 2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptanoic Acid; Perfluoroheptanoic Acid (C7)
EINECS	206-801-3

Quality Control

Our Perfluoroheptanoic Acid is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizers, and sources of ignition. Due to its acidic nature, handle with appropriate personal protective equipment in a fume hood or well-ventilated space.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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