Description

Perfluorobutane (C₄F₁₀) is a high-purity, fully fluorinated hydrocarbon with the IUPAC name 1,1,1,2,2,3,3,4,4,4-decafluorobutane. This inert, non-flammable gas (CAS 355-25-9) exhibits exceptional thermal and chemical stability due to its perfluorinated structure, making it ideal for demanding industrial and scientific applications. Available in research-grade purity (≥99%), it features a low boiling point (-1.7°C) and dielectric properties suitable for plasma etching and semiconductor manufacturing. Packaged in specialty gas cylinders with ultra-high-pressure compatibility. Compatible with fluoropolymer seals and valves. MSDS and technical data sheets available upon request.

Properties

• CAS Number: 355-25-9
• Complexity: 181
• IUPAC Name: 1,1,1,2,2,3,3,4,4,4-decafluorobutane
• InChI: InChI=1S/C4F10/c5-1(6,3(9,10)11)2(7,8)4(12,13)14
• InChI Key: KAVGMUDTWQVPDF-UHFFFAOYSA-N
• Exact Mass: 237.98403162
• Molecular Formula: C4F10
• Molecular Weight: 238.03
• SMILES: C(C(C(F)(F)F)(F)F)(C(F)(F)F)(F)F
• Monoisotopic Mass: 237.98403162
• Physical Description: Liquefied gas;
• Color/Form: Colorless gas
• Boiling Point: -2.1 °C
• Melting Point: -129 °C
• Solubility: Soluble in benzene, chloroform
• Density: 1.6484 g/cu cm at 25 °C
• Vapor Pressure: 2.01X10+3 mm Hg at 25 °C
• Stability/Shelf Life: Stable.
• Synonyms: Perflubutane, DECAFLUOROBUTANE, Perfluorobutane, 355-25-9, Perfluoro-n-butane, Butane, decafluoro-, perflubutano, 1,1,1,2,2,3,3,4,4,4-Decafluorobutane, decafluoro-butane, AI-700, perflubutanum, CEA 410, UNII-SE4TWR0K2C, SE4TWR0K2C, Perflubutane [USAN:INN], EINECS 206-580-3, AI 700, FC 3110, PF 5040, HSDB 7868, NC 100100, PFC 31-10, PERFLUBUTANE [INN], PERFLUBUTANE [JAN], PERFLUBUTANE [USAN], PERFLUBUTANE [MART.], PERFLUBUTANE [WHO-DD], DTXSID5059876, CHEBI:134964, PERFLUBUTANE (MART.), Butane, 1,1,1,2,2,3,3,4,4,4-decafluoro-, AI700 compound, butane, decafluoro, decafluoro-n-butane, MP1950, MP 1950, MP-1950, UNIISE4TWR0K2C, DTXCID3039036, PFC 3110, 1,1,1,2,2,3,3,4,4,4Decafluorobutane, Butane, 1,1,1,2,2,3,3,4,4,4decafluoro, 206-580-3, inchi=1/c4f10/c5-1(6,3(9,10)11)2(7,8)4(12,13)1, Sonazoid, Sonazoid (TN), SCHEMBL111514, Perflubutane (JAN/USAN/INN), Perfluorobutane (FC-31-10), CHEMBL2104979, MFCD00042080, SBB098878, AKOS015852695, DB12821, DB-048827, NS00003977, D05440, 1,1,1,2,2,3,3,4,4,4-Decafluorobutane #, Q3375325

Application

Perfluorobutane serves as a dielectric etchant gas in semiconductor fabrication for silicon and silicon nitride patterning. Its high global warming potential necessitates controlled use in closed-loop systems. In medical applications, it functions as an ultrasound contrast agent precursor due to its acoustic reflectivity and biological inertness. The compound also finds use as a tracer gas for leak detection in HVAC systems and as a stable environment for high-voltage equipment testing.

Safety and Hazards

GHS Hazard Statements

• H280 (100%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]

Precautionary Statements

• P410+P403P410+P403

Hazard Classes and Categories

• Press. Gas (100%)

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