Product Manager: Selina Zhang; Email: selina@coreychem.com
| Product Name | Perfluoroheptanoic acid |
| Synonyms | tridecafluoro-heptanoicaci;N-TRIDECAFLUOROHEPTANOIC ACID;N-PERFLUOROHEPTANOIC ACID;PERFLUOROENANTHIC ACID;PERFLUOROHEPTANOIC ACID;PFHPA;RARECHEM AL BO 2285;TRIDECAFLUOROENANTHIC ACID |
| CAS NO | 375-85-9 |
| Purity | 97% |
| Appearance | transparent colorless to pale yellow liquid |
| MF | C7HF13O2 |
| MW | 364.06 |
| Contact | selina@coreychem.com |
Perfluoroheptanoic acid (CAS: 375-85-9) is a fully fluorinated carboxylic acid with exceptional chemical, thermal, and oxidative stability. It primarily serves as an important intermediate in the design of functional materials, surfactants, and specialty polymers. Its specific applications are as follows:
1. Surface Chemistry & Functional Coatings
Hydrophobic and Lipophobic Modifications:
The perfluorinated chain enables strong water- and oil-repellent properties. It can be used to functionalize surfaces, textiles, and polymers.
Applications:
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Non-stick coatings and stain-resistant materials
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Water- and oil-repellent textile finishes
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Low-surface-energy coatings for electronics and packaging
Effect:
Provides long-lasting repellency, chemical resistance, and durability under harsh conditions.
2. Specialty Surfactants & Emulsifiers
Fluorinated Amphiphiles:
Perfluoroheptanoic acid can be incorporated into fluorinated surfactants or emulsifiers for stabilizing fluoropolymer dispersions or advanced formulations.
Applications:
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Fluoropolymer emulsion stabilization
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Wetting agents and dispersants in specialty chemical processes
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Emulsifiers for perfluorinated material synthesis
Effect:
Enhances surface activity, stability, and dispersion uniformity in fluorinated systems.
3. Materials Science & Polymer Synthesis
Fluorinated Polymer Precursors:
The carboxylic acid functionality allows covalent incorporation into fluoropolymers, oligomers, or functional monomers.
Applications:
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Fluorinated coatings, films, and membranes
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High-performance polymers with low surface energy and chemical resistance
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Functional additives for advanced composite materials
Effect:
Improves thermal stability, chemical inertness, and hydrophobicity of polymeric materials.
4. Points to Note
Handling and Stability:
Perfluorinated acids are generally stable under standard conditions but require careful handling to prevent environmental release due to persistence.
Usage Scope:
Primarily used in research, specialty chemical synthesis, and functional material development rather than bulk commodity production.
Summary
The core value of perfluoroheptanoic acid lies in its fully fluorinated structure with a reactive carboxyl group, making it an essential building block for water- and oil-repellent materials, specialty surfactants, and high-performance fluoropolymers. Its multifunctional properties provide extensive potential in surface modification, materials science, and fluorinated polymer development.
