1814-88-6

Usage

Uses

Used in Refrigeration Systems:
1,1,1,2,2-Pentafluoropropane is used as a refrigerant in refrigeration systems for its effective cooling properties and non-flammable nature. Its low boiling point allows for efficient heat transfer, making it a popular choice in this industry.
Used in Fire Extinguishing Systems:
In fire extinguishing systems, 1,1,1,2,2-Pentafluoropropane is used as a propellant to expel the extinguishing agent. Its non-flammable characteristic ensures safety during the extinguishing process.
Used in Insulation Materials:
1,1,1,2,2-Pentafluoropropane is used as a blowing agent in the production of some insulation materials. Its properties contribute to the creation of lightweight and efficient insulating foams.
Used in Environmentally Conscious Applications:
Although 1,1,1,2,2-Pentafluoropropane has a high global warming potential, its use has been curtailed in some regions to reduce its environmental impact. However, it is still employed in applications where its benefits outweigh the potential drawbacks, such as in systems that require a non-flammable and efficient cooling agent.

InChI:InChI=1/C3H3F5/c1-2(4,5)3(6,7)8/h1H3

Upstream product

• 354-64-3 Pentafluoroethyl iodide 
• 74-88-4 methyl iodide 
• 116-14-3 polytetrafluoroethylene 
• 593-53-3 Methyl fluoride 
• 75-10-5 Difluoromethane 
• 79-38-9 Chlorotrifluoroethylene 
• 231945-52-1 [Ir(η5-C5Me5)(PMe3)(CF2CF2CF3)(OH2)][BF4] 
• 1333-74-0 hydrogen 
• 10436-39-2 1,1,2,3-Tetrachloropropene 
• 2730-62-3 2-chloro-1,1,1-trifluoropropene 
• 64240-29-5 1,1,1,2,2-pentachloropropane 
• 431-31-2 1,1,1,2,3-pentafluoropropane 
• 1652-80-8 2,2-dichloro-1,1,1,3,3,3-hexafluoro-propane 
• 661-97-2 1,2-dichlorohexafluoropropane 

Downstream Products

• 422-05-9 2,2,3,3,3-pentafluoropropyl alcohol 
• 420-46-2 2,2,2-trifluoroethanol 
• 677-21-4 1,1,1-trifluoropropylene 
• 754-12-1 2,3,3,3-tetrafluoro-propene 
• 460-73-1 1,1,1,3,3-Pentafluoropropane 
• 29118-24-9 trans-1,3,3,3-tetrafluoropropene 
• 29118-25-0 (Z)-1,3,3,3-tetrafluoropropene 
• 1645-83-6 1,3,3,3-tetrafluoro-propene 
• 721945-86-4 2,3,3,3-tetrafluoropropene 

Relevant academic research and scientific papers

PROCESS FOR THE PRODUCTION OF 2,3,3,3-TETRAFLUOROPROPENE

The present invention relates to a process for the production of 2,3,3,3-tetrafluoropropene comprising the stages: i) in a first reactor, bringing 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst, in order to produce a stream A comprising 2,3,3,3-tetrafluoropropene, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or absence of a catalyst, with at least one chlorinated compound selected from the group consisting of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the stream A obtained in stage i) feeds said second reactor used for stage ii); and in that the pressure at the inlet of said first reactor of stage i) is greater than the pressure at the inlet of said second reactor of stage ii).

Activation of pentafluoropropane isomers at a nanoscopic aluminum chlorofluoride: Hydrodefluorination versus dehydrofluorination

The hydrofluorocarbon 245 isomers, 1,1,1,3,3-pentafluoropropane, 1,1,1,2,2- pentafluoropropane, and 1,1,1,2,3-pentafluoro-propane (HFC-245fa, HFC-245cb, and HFC-245eb) were activated through C-F bond activations using aluminium chlorofluoride (ACF) as a catalyst. The addition of the hydrogen source Et3SiH is necessary for the activation of the secondary and tertiary C-F bonds. Multiple C-F bond activations such as hydrodefluorinations and dehydrofluorinations were observed, followed by hydroarylation and Friedel-Crafts-type reactions under mild conditions.

COMPOSITIONS OF CHROMIUM OXYFLUORIDE OR FLUORIDE CATALYSTS, THEIR PREPARATION AND THEIR USE IN GAS-PHASE PROCESSES

The present invention relates to a process for modifying the fluorine distribution in a hydrocarbon compound in the presence of a catalyst, characterized by the use, as catalyst, of a solid composition comprising at least one component containing chromium oxyfluoride or fluoride of empirical formula CrxM(1-x)OrFs, where 2r+s is greater than or equal to 2.9 and less than 6, M is a metal chosen from columns 2 to 12 of the Periodic Table of the Elements, x has a value from 0.9 to 1, s is greater than 0 and less than or equal to 6 and r is greater than or equal to 0 and less than 3, the said solid composition having a crystallinity of less than 20% by weight. The present invention also relates to the solid composition per se.

CATALYST AND PROCESS USING THE CATALYST FOR MANUFACTURING FLUORINATED HYDROCARBONS

A catalyst comprising chromia and at least one additional metal or compound thereof and wherein the catalyst has a total pore volume of greater than 0.3 cm3/g and the mean pore diameter is greater than or equal to 90 ?, wherein the total pore volume is measured by N2 adsorption porosimetry and the mean pore diameter is measured by N2 BET adsorption porosimetry, and wherein the at least one additional metal is selected from Li, Na, K, Ca, Mg, Cs, Sc, Al, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Co, Rh, Ir, Ni, Pd, In, Pt, Cu, Ag, Au, Zn, La, Ce and mixtures thereof.

GAS-PHASE CATALYTIC FLUORINATION

PROBLEM TO BE SOLVED: To provide a method for producing a fluoride by subjecting a chloride to catalytic fluorination using hydrogen fluoride in a gas phase. SOLUTION: There is provided a fluorination method, the method comprising the following steps (1) and (2): (1) an activation step of bringing a fluorination catalyst into contact with an oxidizer-containing gas stream for at least one hour; and (2) a reaction step of reacting a chloride with hydrogen fluoride in a gas phase in the presence of a fluorination catalyst. Preferably, the reaction method is carried by alternately and repeatedly performing a plurality of reaction steps and a plurality of regeneration steps, the reaction steps comprise subjecting the chloride and the hydrogen fluoride to gas phase reaction in the presence of the fluorination catalyst and the regeneration steps comprises bringing the fluorination catalyst into contact with the oxidizer-containing gas stream. More preferably, the oxidizer-containing gas stream in the activation step and/or the regeneration steps contains hydrogen fluoride in addition to an oxidizer or is air containing no hydrogen fluoride. SELECTED DRAWING: None COPYRIGHT: (C)2018,JPOandINPIT

CATALYST AND PROCESS USING THE CATALYST FOR MANUFACTURING FLUORINATED HYDROCARBONS

A catalyst comprising one or more metal oxides, wherein the catalyst has a total pore volume equal to or greater than 0.3 cm3/g and a mean pore diameter greater than or equal to 90 ?, where in the pore volume is measured using N2 adsorption porosimetry and the mean pore diameter is measured using N2 BET adsorption porosimetry.

METHOD FOR PRODUCING FLUOROPROPENE

The present invention provides an economically advantageous method for efficiently producing a fluorine-containing compound while ensuring high conversion of the starting compound, reducing production of 245cb, and reducing equipment costs and energy costs. Specifically, the present invention provides a method for producing a fluorine-containing compound represented by Formula (3): CF3CFYnCH2Zn (wherein n is 0 or 1, one of Y and Z is H, and the other is F or Cl) by successively reacting at least one chlorine-containing compound selected from the group consisting of chlorine-containing fluoroalkane represented by Formula (1): CX3CHClCH2Cl (wherein X is independently F or Cl, with the proviso that at least one X is F) and chlorine-containing fluoroolefin represented by Formula (2): CX3CCl═CH2 (wherein X is independently F or Cl, with the proviso that at least one X is F) with anhydrous hydrogen fluoride in the presence of a fluorination catalyst, wherein the concentration of hydrogen chloride in a reactor inlet gas is not less than 0.01 vol % and not more than 10 vol %.

GAS-PHASE CATALYTIC FLUORINATION WITH CHROMIUM CATALYSTS

The present invention relates to a method for fluorinating a chlorinated compound including the steps of (a) placing said chlorinated compound in contact with gaseous hydrogen fluoride within a reactor and in the presence of a fluorination catalyst to produce a fluorinated compound, and (b) regenerating the fluorination catalyst used in step a), the step of regenerating the fluorination catalyst including (c) treating said fluorination catalyst with an oxidizing agent to form an oxidized fluorination catalyst, and (d) treating the oxidized fluorination catalyst obtained in step (c) with a gas mixture including a reducing agent.

METHOD FOR PRODUCING AND PURIFYING 2,3,3,3-TETRAFLUOROPROPENE

The invention relates to a process for producing 2,3,3,3-tetrafluoropropene performed using a starting composition, comprising the steps of placing the starting composition in contact with HF, in the presence of a catalyst, to produce a composition A comprising 2,3,3,3-tetrafluoropropene (1234yf), intermediate products B consisting of 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,2,2-pentafluoropropane (245cb), and side products C consisting of E-1-chloro-3,3,3-trifluoro-1-propene (1233zdE), trans-1,3,3,3-tetrafluoro-1-propene (1234zeE) and 1,1,1,3,3-pentafluoropropane (245fa); recovery of said composition A and purification thereof to form and recover a first stream comprising 2,3,3,3-tetrafluoropropene (1234yf) and one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb); recycling into step a) of said one or more streams comprising 2-chloro-3,3,3-trifluoropropene (1233xf) and/or 1,1,1,2,2-pentafluoropropane (245cb).