431-31-2

Basic information

• Product Name: 1,1,1,2,3-PENTAFLUOROPROPANE
• Synonyms: 1,1,1,2,3-PENTAFLUOROPROPANE;1,1,1,2,3-Pentafluoropropane 99%;1,1,1,2,3-Pentafluoropropane99%;HFC-245EB;Refrigerant 245
• CAS NO: 431-31-2
• Molecular Formula: C₃H₃F₅
• Molecular Weight: 134.05
• Product Categories: refrigerants
• Mol File: 431-31-2.mol
• Article Data: 12

Chemical Properties

• Boiling Point: 23°C
• Flash Point: °C
• Appearance: /
• Density: 1,375 g/cm3
• Vapor Pressure: 1210mmHg at 25°C
• Refractive Index: 1.2770 (estimate)
• CAS DataBase Reference: 1,1,1,2,3-PENTAFLUOROPROPANE(CAS DataBase Reference)
• NIST Chemistry Reference: 1,1,1,2,3-PENTAFLUOROPROPANE(431-31-2)
• EPA Substance Registry System: 1,1,1,2,3-PENTAFLUOROPROPANE(431-31-2)

Safety Data

• Hazard Codes: F
• Safety Statements: 3/7-9-23
• RIDADR: 3163
• Hazardous Substances Data: 431-31-2(Hazardous Substances Data)

Usage

Description

1,1,1,2,3-Pentafluoropropane, also known as HFC-245fa, is a colorless, odorless gas with the molecular formula C3H2F5. It is a chemical compound that is used as a refrigerant and as a propellant in aerosol sprays. Due to its low toxicity and non-flammable nature, it is considered a safer alternative to older refrigerants such as CFCs and HCFCs. However, it is classified as a greenhouse gas with a high global warming potential, prompting the search for more environmentally friendly alternatives.

Uses

Used in Refrigeration Industry:
1,1,1,2,3-Pentafluoropropane is used as a refrigerant for its low toxicity and non-flammable properties, making it a safer alternative to older refrigerants like CFCs and HCFCs. It is particularly useful in commercial and industrial refrigeration systems where safety and environmental impact are concerns.
Used in Aerosol Propellants:
1,1,1,2,3-Pentafluoropropane is used as a propellant in aerosol sprays due to its ability to provide a consistent and effective spray pattern. Its non-flammable nature also reduces the risk of accidents during the use of aerosol products.
Efforts to Find Alternatives:
Given the high global warming potential of 1,1,1,2,3-pentafluoropropane, there is ongoing research and development in the chemical industry to find more environmentally friendly alternatives. These efforts aim to reduce the compound's impact on climate change while maintaining the benefits of its low toxicity and non-flammability.

InChI:InChI=1/C3H3F5/c4-1-2(5)3(6,7)8/h2H,1H2

Upstream product

• 812-30-6 1,1,2-trichloro-1,2,3,3,3-pentafluoropropane 
• 116-15-4 perfluoropropylene 
• 5528-43-8 Z-1,2,3,3,3-pentafluoropropene 
• 2730-62-3 2-chloro-1,1,1-trifluoropropene 
• 421-73-8 2-chloro-1,1,1,2-tetrafluoropropane 
• 677-21-4 1,1,1-trifluoropropylene 
• 2252-83-7 1,2,3,3,3-pentafluoroprop-1-ene 
• 10436-39-2 1,1,2,3-Tetrachloropropene 
• 2804-49-1 1-chloro-1,2,3,3,3-pentafluoro-1-propene 

Downstream Products

• 754-12-1 2,3,3,3-tetrafluoro-propene 
• 29118-24-9 trans-1,3,3,3-tetrafluoropropene 
• 29118-25-0 (Z)-1,3,3,3-tetrafluoropropene 
• 75-46-7 trifluoromethan 
• 75-38-7 Vinylidene fluoride 
• 421-07-8 1,1,1-trifluoropropane 
• 430-63-7 1,1-difluoropropene 
• 421-48-7 1,1,1,2-tetrafluoropropane 
• 1814-88-6 1,1,1,2,2-pentafluoropropane 
• 1645-83-6 1,3,3,3-tetrafluoro-propene 
• 460-73-1 1,1,1,3,3-Pentafluoropropane 
• 2252-83-7 1,2,3,3,3-pentafluoroprop-1-ene 
• 5595-10-8 (E)-1,2,3,3,3-pentafluoropropene 
• 5528-43-8 Z-1,2,3,3,3-pentafluoropropene 

Relevant articles and documents

METHOD FOR PREPARING 2,3,3,3-TETRAFLUOROPROPENE AND 1,3,3,3-TETRAFLUOROPROPENE

A method for preparing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, including: providing a first reactor including a first section, a second section, and a third section, with each section being filled with different catalysts, preheating hexafluoropropylene and hydrogen, and introducing the hexafluoropropylene and the hydrogen to the first reactor to yield a first mixture including: 1,1,1,2,3-pentafluoropropane, 1,1,1,2,3,3-hexafluoropropane, and hydrogen fluoride; introducing the first mixture to a first distillation column to yield 1,1,1,2,3,3-hexafluoropropane at a top of the first distillation column and 1,1,1,2,3-pentafluoropropane and hydrogen fluoride at a bottom of the first distillation column, recycling the 1,1,1,2,3,3-hexafluoropropane to a lower part of the first section of the first reactor, and introducing the 1,1,1,2,3-pentafluoropropane and the hydrogen fluoride to a second reactor to yield a second mixture including: 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, hydrogen fluoride, and 1,1,1,2,3-pentafluoropropane; and performing water washing, alkaline washing, drying, and distillation on the second mixture to yield 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene.

Method and apparatus for continuously producing 1,1,1,2,3-pentafluoropropane with high yield

A method and apparatus for method of continuously producing 1,1,1,2,3-pentafluoropropane with high yield is provided. The method includes (a) bringing a CoF3-containing cobalt fluoride in a reactor into contact with 3,3,3-trifluoropropene to produce a CoF2-containing cobalt fluoride and 1,1,1,2,3-pentafluoropropane, (b) transferring the CoF2-containing cobalt fluoride in the reactor to a regenerator and bringing the transferred CoF2-containing cobalt fluoride into contact with fluorine gas to regenerate a CoF3-containing cobalt fluoride, and (c) transferring the CoF3-containing cobalt fluoride in the regenerator to the reactor and employing the transferred CoF3-containing cobalt fluoride in Operation (a). Accordingly, the 1,1,1,2,3-pentafluoropropane can be continuously produced with high yield from the 3,3,3-trifluoropropene using a cobalt fluoride (CoF2/CoF3) as a fluid catalyst, thereby improving the reaction stability and readily adjusting the optimum conversion rate and selectivity.

HYDROGEN FLUORIDE-HFC-254EB AZEOTROPE AND ITS USES

Described is a process for separating 1,1,1,2-tetrafluoropropane and hydrogen fluoride from a mixture comprising 1,1,1,2-tetrafluoropropane, 1,1,1,2,3-pentafluoropropane and hydrogen fluoride comprising: subjecting said 1,1,1,2-tetrafluoropropane, 1,1,1,2,3-pentafluoropropane and hydrogen fluoride mixture to a distillation step, forming a column distillate composition comprising an azeotropic or near-azeotropic composition of said 1,1,1,2-tetrafluoropropane and hydrogen fluoride, and a bottoms composition of 1,1,1,2,3-pentafluoropropane. The column distillate may optionally be made essentially free of 1,1,1,2,3-pentafluoropropane and the column bottoms composition may optionally be made essentially free of HF. Also described is a process for separating 1,1,1,2-tetrafluoropropane and hydrogen fluoride from a mixture of 1,1,1,2-tetrafluoropropane and hydrogen fluoride. Also described are azeotropic and azeotrope-like compositions comprising 1,1,1,2-tetrafluoropropane and hydrogen fluoride.