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Hydrofluoroether

Electrolytic Fluorinating Solution HFE-347 Hydrofluoroether
HFE-347 (CAS 406-78-0) is a hydrofluoroether solvent (1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether) engineered for high-performance cleaning, drying and carrier applications in electronics, precision optics and specialty fluids. It combines very low surface tension and good material compatibility with a favorable environmental profile compared with legacy chlorinated solvents.
Synonyms
HFE-347; HFE-347pc-f; 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether; FC13-3400 (vendor code examples)
Applications
  • Precision electronics cleaning — flux and particle removal from assemblies and circuitry; excellent material compatibility and fast drying.
  • Carrier / diluent for specialty formulations — diluent for anti-fingerprint agents, coatings and surface treatments.
  • Thermal management / dielectric fluids — used in specialty cooling or vapor-phase processes where chemical stability and low residue are required.
  • Replacement for higher-GWP or ozone-depleting solvents — engineered to lower environmental impact while retaining solvency/evaporation performance.
Physical and Chemical Properties
Property Value
Boiling point, °C 56
Freezing point, °C -94
Liquid density, g/ml, @ 25°C 1.47
Surface tension (dyne/cm) @25°C 16.4
Vapor pressure mmHg @ 25°C 232
Evaporation heat, cal/g @ Boiling Point 39
Solubility in water, ppm 100
Dissolving power, KB N/A
Cleaning application Solvent application
Synonyms: HFE-347；HFE-347pc-f; 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether
CAS NO.: 406-78-0
Molecular Formula:

C₄H₃F₇O
Structure:
Molecular Weight: 200.04

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