Unisolv-7100
Precision Cleaning
Hydrofluoroether fluid for precision cleaning, vapor degreasing, and electronics applications.
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Specialty Fluid
HFE-347
High-Purity Hydrofluoroether Specialty Fluid
HFE-347 is a high-purity hydrofluoroether specialty fluid composed of 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether. It is a clear, colorless liquid with an ethereal odor and is intended for controlled industrial or professional use.
Chemical Family
Hydrofluoroether (HFE)
Boiling Point
>56°C
Density
1.487 g/cm³
CAS Number
406-78-0
Product Overview
HFE-347 contains between 99 and 100 percent 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether. It is a clear, colorless liquid that is insoluble in water and soluble in acetone and ether.
The product should be handled in a well-ventilated area or fume hood. Exposure to vapors may cause drowsiness or dizziness, and users should review the current Safety Data Sheet before handling, storing, or using the product.
High Purity
The product contains between 99 and 100 percent of its primary hydrofluoroether component.
Clear, Colorless Liquid
Supplied as a clear and colorless liquid with a characteristic ethereal odor.
Low Freezing Point
A reported freezing point of -94°C supports evaluation across a range of controlled temperature conditions.
Transport Convenience
The SDS states that HFE-347 is not classified as hazardous for transport by the listed transportation systems.
Application Evaluation
Product suitability should be evaluated according to the intended process, operating conditions, materials compatibility, exposure controls, and applicable regulatory requirements.
Process Evaluation
Review operating temperatures, ventilation, process equipment, and exposure conditions before introducing HFE-347 into a system.
Materials Compatibility
Confirm compatibility with equipment, seals, plastics, metals, and other materials under the intended conditions of use.
Exposure Controls
Evaluate ventilation and personal protective equipment according to anticipated exposure levels and workplace conditions.
Technical Guidance
Contact Unistar Chemical for documentation, product availability, and assistance evaluating the product for a specific application.
Technical Specifications
The following values are reported in the current Safety Data Sheet and are provided as typical physical and chemical properties, not as a product specification.
| Product Name | HFE-347 |
| Chemical Name | 1,1,2,2-Tetrafluoroethyl-2,2,2-trifluoroethyl ether |
| CAS Number | 406-78-0 |
| Composition | 99.0–100.0% |
| Physical State | Liquid |
| Appearance | Clear, colorless |
| Odor | Ethereal |
| Boiling Point | Greater than 56°C |
| Freezing Point | -94°C / -137.2°F |
| Specific Gravity | 1.487 g/cm³ |
| Evaporation Rate | 67 |
| Water Solubility | Insoluble |
| Other Solubility | Soluble in acetone and ether |
| Recommended Exposure Limit | 50 ppm, 8-hour TWA |
| Recommended Ceiling Limit | 150 ppm |
| Emergency Ceiling Concentration | 500 ppm |
| Transport Classification | Not regulated as hazardous for transport |
Safety and Handling Information
HFE-347 carries the signal word “Warning” and may cause drowsiness or dizziness through vapor exposure. Avoid breathing vapors, mist, or spray, and use the product only outdoors or in a well-ventilated area.
Keep the container tightly closed and store it in a cool, well-ventilated location away from direct sunlight or heat sources. Appropriate eye protection, chemical-resistant gloves, protective clothing, and respiratory protection should be selected based on a workplace risk assessment.
Important:
This page provides a general product overview and does not replace
the Safety Data Sheet. Review the current SDS before handling,
storing, transporting, or disposing of HFE-347.
Technical Resources
Access product safety information or contact our team for additional documentation and application guidance.
Safety Data Sheet
Review hazard information, exposure controls, handling procedures, storage requirements, and emergency guidance.
Technical Assistance
Contact our team for product availability, documentation, compatibility questions, and application evaluation.
Related Products
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