Description

1,1,2,2-Tetrafluoro-1-(2,2,2-trifluoroethoxy)ethane (CAS No. 406-78-0) is a high-purity fluorinated ether compound with the molecular formula C₄H₃F₇O. This specialty chemical is engineered for demanding applications in electronics, precision cleaning, and polymer processing. Its unique fluorinated structure provides exceptional thermal stability, low surface tension, and excellent dielectric properties, making it ideal for sensitive electronic environments.

This product is supplied as a clear, colorless liquid with high volatility and minimal residue formation. It is compatible with a wide range of fluoropolymers and elastomers while exhibiting non-flammable characteristics under standard conditions. Available in various packaging options to meet research and industrial requirements, including amber glass bottles and specialty fluoropolymer-lined containers to maintain purity.

Typical specifications include: ≥99% purity (GC), water content <50 ppm, non-volatile residue <10 ppm. Storage recommendations: maintain under inert gas at 2-8°C in well-ventilated areas away from strong oxidizers.

Properties

• CAS Number: 406-78-0
• Complexity: 139
• IUPAC Name: 1,1,2,2-tetrafluoro-1-(2,2,2-trifluoroethoxy)ethane
• InChI: InChI=1S/C4H3F7O/c5-2(6)4(10,11)12-1-3(7,8)9/h2H,1H2
• InChI Key: CWIFAKBLLXGZIC-UHFFFAOYSA-N
• Exact Mass: 200.00721185
• Molecular Formula: C4H3F7O
• Molecular Weight: 200.05
• SMILES: C(C(F)(F)F)OC(C(F)F)(F)F
• Topological: 9.2
• Monoisotopic Mass: 200.00721185
• Physical Description: Liquid
• Synonyms: 406-78-0, 1,1,2,2-Tetrafluoro-1-(2,2,2-trifluoroethoxy)ethane, Tftfe-ethane, DTXSID8074786, (1H,1H-Perfluoroethyl)(2H-perfluoroethyl)ether, 1,1,2,2-Tetrafluoroethyl-2,2,2-trifluoroethyl ether, Ethane, 1,1,2,2-tetrafluoro-1-(2,2,2-trifluoroethoxy)-, DTXCID4039788, 609-858-6, 1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether, Ethane,1,1,2,2-tetrafluoro-1-(2,2,2-trifluoroethoxy)-, 1,1,2,2,5,5,5-heptafluoro-3-oxapentane, 2,2,2-trifluoroethyl 1,1,2,2-tetrafluoroethyl ether, Ethane, tetrafluoro(trifluoroethoxy)-, C4H3F7O, MFCD00236118, HFE-347pcf2, CF3CH2OCF2CF2H, HFE-347pc-f2, SCHEMBL661236, SCHEMBL7519288, SBB092544, AKOS005064051, LS-12973, DB-049631, 1,1,1,4,4,5,5-Heptafluoro-3-oxopentane, NS00019058, T3057, D92655, 1,1,2,2-tetrafluoroethyl2,2,2-trifluoroethyl ether, 1,1,2,2-tetrafluoro-1-(2,2,2-trifluoroethoxy) ethane, 1,1,2,2-Tetrafluoroethyl 2,2,2-trifluoroethyl ether/HFE347

Application

This fluorinated ether serves as an advanced insulating liquid for high-voltage equipment cleaning due to its exceptional dielectric strength. It is widely employed in air-tightness testing of sensitive electronic components where residual-free performance is critical. The compound functions as an effective solvent for fluoropolymer processing and precision cleaning of optical and microelectronic surfaces.

Safety and Hazards

GHS Hazard Statements

• H225 (10%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H315 (80%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (80%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H336 (30%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (10%)
• Skin Irrit. 2 (80%)
• Eye Irrit. 2 (80%)
• STOT SE 3 (50%)
• STOT SE 3 (30%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.