1,2-Dibromotetrafluoroethane

Base Information

• Chemical Name: 1,2-Dibromotetrafluoroethane
• CAS No.: 124-73-2
• Deprecated CAS: 76199-55-8
• Molecular Formula: C2Br2F4
• Molecular Weight: 259.824
• Hs Code.: 2903760030
• European Community (EC) Number: 204-711-9
• UNII: 1NJ2ZF1UN5
• DSSTox Substance ID: DTXSID0041226
• Nikkaji Number: J383B
• Wikidata: Q161472
• Mol file: 124-73-2.mol

Synonyms:1,2-dibromotetrafluoroethane;Freon-114B2;Halon 2402

Chemical Property of 1,2-Dibromotetrafluoroethane

Chemical Property:

• Appearance/Colour: clear liquid with an aromatic odour
• Vapor Pressure: 315mmHg at 25°C
• Melting Point: -110.5 °C
• Refractive Index: 1.347
• Boiling Point: 49.196 °C at 760 mmHg
• Flash Point: -16.445 °C
• PSA: 0.00000
• Density: 2.366 g/cm³
• LogP: 2.96180
• XLogP3: 3.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 259.82824
• Heavy Atom Count: 8
• Complexity: 78

Purity/Quality:

98% ^*data from raw suppliers

1,2-Dibromotetrafluoroethane 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38-59-36/38
• Safety Statements: 26-36-61

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Solvents -> Chlorofluorocarbons
• Canonical SMILES: C(C(F)(F)Br)(F)(F)Br

Technology Process of 1,2-Dibromotetrafluoroethane

There total 29 articles about 1,2-Dibromotetrafluoroethane 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:

dibromodifluoromethane (75-61-6) → carbon tetrafluoride (75-73-0) + 1,2-dibromo-1,1,2,2-tetrafluoroethane (124-73-2) + bromine (7726-95-6) + pyrographite (7440-44-0) + fluorine (7782-41-4)

Guidance literature:

In neat (no solvent); thermal decomposition on passing through a tube at 400-1200°C;; products depending on temp.;;

Reference yield:

polytetrafluoroethylene (116-14-3,82785-14-6) → 1-bromopentadecafluoroheptane (375-88-2) + 1,2-dibromo-1,1,2,2-tetrafluoroethane (124-73-2) + 1,4-dibromo-1,1,2,2,3,3,4,4-octafluoro-butane (335-48-8) + 1,5-dibromo-1,1,2,2,3,3,4,4,5,5-decafluoro-pentane (24331-48-4)

Guidance literature:

With bromine; Further byproducts given;

DOI:10.1021/jo00945a013

Reference yield:

polytetrafluoroethylene (116-14-3,82785-14-6) → 1-bromo-1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane (335-56-8) + 1,2-dibromo-1,1,2,2-tetrafluoroethane (124-73-2) + 1,4-dibromo-1,1,2,2,3,3,4,4-octafluoro-butane (335-48-8) + 1,5-dibromo-1,1,2,2,3,3,4,4,5,5-decafluoro-pentane (24331-48-4)

Guidance literature:

With bromine; Further byproducts given;

DOI:10.1021/jo00945a013

upstream raw materials:

polytetrafluoroethylene

1,3-dichloro-1,1,3,3-tetrafluoro-propan-2-one

1,1,1,2,2-pentafluoroethane

dibromodifluoromethane

Downstream raw materials:

1,6-dibromo-1,1,2,2-tetrafluoro-hexane

1,4-dibromo-1,1,2,2-tetrafluorobutane

1-bromo-1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane

nonafluoro-1-bromobutane

Refernces

• 1、 Li, Yang,Guo, Hao. "Crosslinked poly(methyl methacrylate) with perfluorocyclobutyl aryl ether moiety as crosslinking unit: Thermally stable polymer with high glass transition temperature". . p. 1981 - 1988. Retrieved 2020.
• 2、 TEDDER JM,WALTON JC. "FREE RADICAL ADDITION TO OLEFINS-5". . p. 1135 - 1144. Retrieved 1970.
• 3、 Wlassics,Tortelli. "Tetrafluoroethylene telomerization using dibromohaloethanes as telogens". . p. 240 - 248. Retrieved 2006.
• 4、 -. "Preparation method of hexafluoro-1, 3-butadiene". Paragraph 0029-0030; 0032-0033; 0035-0036. . Retrieved 2021/04/14.