CAS 163702-06-5

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Name: Ethyl perfluorobutyl ether
(Also called Ethyl perfluoroisobutyl ether, HFE-7200, Novec 7200)

CAS Number:163702-06-5

Molecular Formula:C₆H₅F₉O

Molecular Weight: 264.09 g/mol

Physical Form: Colorless liquid

Typical Physical Properties:

  • Melting Point: –138 °C 

  • Boiling Point: ~49.5 °C 

  • Density: ~1.441 g/cm³ 

  • Vapor Pressure (25 °C): ~14,532 Pa 

  • InChI Key:SQEGLLMNIBLLNQ-UHFFFAOYSA-N 

Applications / Uses:

  • Fluorinated organic solvent

  • Functional fluid in closed systems (e.g. heat transfer systems)

  • Dielectric / insulating fluid in electronics 

Hazards / Safety:

  • GHS Signal Word: Warning

  • Hazard Statements: H319, H413 (serious eye irritation; may cause long lasting harmful effects to aquatic life)