Description

Perfluoro(methyl vinyl ether) (CAS 1187-93-5) is a high-purity fluorinated ether compound with the molecular formula C₃F₆O and IUPAC name 1,1,2-trifluoro-2-(trifluoromethoxy)ethene. This specialty chemical is characterized by its exceptional thermal stability, chemical inertness, and low surface energy, making it an ideal candidate for advanced applications in fluoropolymer synthesis and specialty material engineering. It is supplied as a clear, colorless gas or volatile liquid under pressure, with stringent quality controls to ensure ≥98% purity (GC). Perfluoro(methyl vinyl ether) is packaged in corrosion-resistant cylinders with dual-valve protection to maintain integrity. Handling requires proper PPE due to its low boiling point and potential asphyxiation risks. Technical datasheets include FTIR and NMR spectra for batch verification.

Properties

• CAS Number: 1187-93-5
• Complexity: 142
• IUPAC Name: 1,1,2-trifluoro-2-(trifluoromethoxy)ethylene
• InChI: InChI=1S/C3F6O/c4-1(5)2(6)10-3(7,8)9
• InChI Key: BLTXWCKMNMYXEA-UHFFFAOYSA-N
• Exact Mass: 165.98533359
• Molecular Formula: C3F6O
• Molecular Weight: 166.02
• SMILES: C(=C(F)F)(OC(F)(F)F)F
• Topological: 9.2
• Monoisotopic Mass: 165.98533359
• Physical Description: Perfluoro appears as a colorless gas. Heavier than air. Easily liquefied. Contact with the liquid may cause frost bite by evaporative cooling. May asphyxiate by displacing air. A flame may flash back from the source of ignition to the source of a leak. Under prolonged exposure to fire or heat containers may rupture violently and rocket.
• Synonyms: Trifluoromethyl trifluorovinyl ether, 1187-93-5, Perfluoro(methyl vinyl ether), Trifluoro(trifluoromethoxy)ethylene, Ethene, 1,1,2-trifluoro-2-(trifluoromethoxy)-, Ethene, trifluoro(trifluoromethoxy)-, 3-OXAPERFLUOROBUTENE, EINECS 214-703-7, UNII-6II375V3XG, BRN 1907457, 6II375V3XG, ETHER, TRIFLUOROMETHYL TRIFLUOROVINYL, trifluoromethoxytrifluoroethylene, DTXSID3051599, EC 214-703-7, TRIFLUOROMETHYL TRIFLUORVINYL ETHER, PERFLUOROVINYL PERFLUOROMETHYL ETHER, DTXCID1030151, 1,1,2-trifluoro-2-(trifluoromethoxy)ethene, Trifluoromethyltrifluorovinylether, perfluoromethyl vinyl ether, UN3153, MFCD00221780, CF3OCF=CF2, perfluoro(methylvinyl)ether, SCHEMBL36438, perfluoro (methyl vinyl ether), perfluoromethyl perfluorovinyl ether, SBB087957, AKOS006228996, 1,2,2-trifluoro-1-(trifluoromethoxy)ethene, NS00011107, Q27264960, Perfluoro(methyl vinyl ether) [UN3153] [Flammable gas]

Application

Perfluoro(methyl vinyl ether) serves as a critical monomer in the production of fluorinated elastomers and thermoplastics, enhancing chemical resistance and high-temperature performance in seals and gaskets. It is utilized as a precursor for modifying perfluorinated ion-exchange membranes in fuel cell applications, improving proton conductivity. The compound also finds niche use in plasma etching processes for semiconductor manufacturing due to its selective reactivity with silicon substrates.

Safety and Hazards

GHS Hazard Statements

• H220 (18.2%): Extremely flammable gas [Danger Flammable gases]
• H221 (72.7%): Flammable gas [Danger Flammable gases]
• H280 (90.9%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
• H315 (18.2%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (18.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (90.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (18.2%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P203, P210, P222, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P377, P381, P403, P403+P233, P405, P410+P403, and P501

Hazard Classes and Categories

• Flam. Gas 1 (18.2%)
• Press. Gas (90.9%)
• Skin Irrit. 2 (18.2%)
• Eye Irrit. 2 (18.2%)
• Acute Tox. 4 (90.9%)
• STOT SE 3 (18.2%)

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