Pentafluoroethane

Base Information

• Chemical Name: Pentafluoroethane
• CAS No.: 354-33-6
• Molecular Formula: C2HF5
• Molecular Weight: 120.022
• Hs Code.: 2903399090
• European Community (EC) Number: 206-557-8,685-831-2
• UN Number: 3220
• UNII: 6TQ8593LRQ
• DSSTox Substance ID: DTXSID1024251
• Nikkaji Number: J393J
• Wikipedia: Pentafluoroethane
• Wikidata: Q419065,Q81977230
• Mol file: 354-33-6.mol

Synonyms:1,1,1,2,2-pentafluoroethane;HFC 125;HFC-125;pentafluoroethane

Chemical Property of Pentafluoroethane

Chemical Property:

• Appearance/Colour: colourless gas
• Vapor Pressure: 1250mmHg at 25°C
• Melting Point: -103 °C
• Refractive Index: 1.234
• Boiling Point: -48.5ºC
• PSA: 0.00000
• Density: 1.345 g/cm³
• LogP: 1.81380
• Water Solubility.: 430mg/L at 25℃
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 0
• Exact Mass: 119.99984084
• Heavy Atom Count: 7
• Complexity: 51.6
• Transport DOT Label: Non-Flammable Gas

Purity/Quality:

99% ^*data from raw suppliers

Pentafluoroethane 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Safety Statements: 23-38

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Solvents -> Chlorofluorocarbons
• Canonical SMILES: C(C(F)(F)F)(F)F
• Uses: HFC 125s main application is as a high-pressure refrigerant. It has also found use as a total flooding fire-extinguishing agent.

Technology Process of Pentafluoroethane

There total 142 articles about Pentafluoroethane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 89.5%

bromopentafluoroethane (354-55-2) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 1,1,1,2,2-pentafluoroethane (354-33-6) + 2,2,3,3,3-pentafluoro-propane-1,1-diol (422-63-9)

Guidance literature:

With lead(II) bromide; aluminium; at 5 ℃; for 10h;

DOI:10.1016/S0022-1139(00)80105-0

Reference yield: 81.2%

Pentafluoroethyl iodide (354-64-3) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 1,1,1,2,2-pentafluoroethane (354-33-6) + 2,2,3,3,3-Pentafluoro-propionaldehyde (422-06-0) + 2,2,3,3,3-pentafluoro-N,N-dimethylpropionamide (83599-57-9)

Guidance literature:

With lead(II) bromide; aluminium; at 5 ℃; for 4h;

DOI:10.1016/S0022-1139(00)80105-0

Reference yield:

pentachloroethane (76-01-7) → chlorotrifluorosilane (14049-36-6) + 1,1,1,2,2-pentafluoroethane (354-33-6) + 1,1,1,2-tetrafluoro-2-chloroethane (2837-89-0) + difluoro dichlorosilane (18356-71-3) + trichloro fluorosilane (14965-52-7)

Guidance literature:

With silicon tetrafluoride; aluminum (III) chloride; at 22 - 340 ℃; for 8h; under 8517.48 - 27393.9 Torr;

upstream raw materials:

ethane

Chloropentafluoroethane

pentafluoropropionic acid

ethylene glycol

Downstream raw materials:

bromopentafluoroethane

Carbonyl fluoride

Bis(trifluoromethyl)trioxide

Perfluormethyl-perfluorethyl-trioxid

Refernces

• 1、 Pashkevich,Muhortov,Podpalkina,Barabanov. "Kinetics of gaseous fluorination of 1,1,1,2-tetrafluoroethane with elemental fluorine". . p. 3 - 5. Retrieved 1999.
• 2、 Stear,Lagowski. "". . p. 5848. Retrieved 1964.
• 3、 Pashkevich,Mukhortov,Alekseev,Asovich. "Production of fluorinated ethanes using elemental fluorine". . p. 1269 - 1274. Retrieved 2002.
• 4、 Petrov,Zirka,Reshetnikov. "Pretreatment effect on the properties of the Cr–Mg catalyst for the gas-phase hydrofluorination of perchloroethylene into pentafluoroethane". . p. 392 - 396. Retrieved 2017.
• 5、 Cuculo,Bigelow. "-". . p. 710. Retrieved 1952.
• 6、 Belter, Randolph K.,Sweval, Mark S.,Iikubo, Yuichi. "Nitrogen trifluoride as an oxidative co-reagent in high temperature vapor phase hydrofluorinations". . p. 816 - 820. Retrieved 2006.
• 7、 -. "PROCESS FOR PRODUCING FLUOROETHANE". Paragraph 0035-0037; 0040. . Retrieved 2015/12/04.