1,2-Diiodotetrafluoroethane

Base Information

• Chemical Name: 1,2-Diiodotetrafluoroethane
• CAS No.: 354-65-4
• Molecular Formula: C2F4I2
• Molecular Weight: 353.825
• Hs Code.: 29037990
• European Community (EC) Number: 206-567-2
• UNII: 2Z13I2WELK
• DSSTox Substance ID: DTXSID5073165
• Nikkaji Number: J28.344D
• Wikidata: Q27255818
• Mol file: 354-65-4.mol

Synonyms:1,2-diiodotetrafluoroethane;CF(2)ICF(2)I;diiodotetrafluoroethane

Chemical Property of 1,2-Diiodotetrafluoroethane

Chemical Property:

• Appearance/Colour: clear pink to dark purple liquid
• Melting Point: -21 ºC
• Refractive Index: 1.494-1.499
• Boiling Point: 111 °C at 760 mmHg
• Flash Point: 36 °C
• PSA: 0.00000
• Density: 2.921 g/cm³
• LogP: 3.04200
• Sensitive.: Light Sensitive
• XLogP3: 3.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 353.80256
• Heavy Atom Count: 8
• Complexity: 78

Purity/Quality:

99%, ^*data from raw suppliers

1,2-Diiodotetrafluoroethane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T,Xi
• Hazard Codes: Xi,T
• Statements: 36/37/38
• Safety Statements: 37/39-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C(C(F)(F)I)(F)(F)I
• Uses: 1,2-Diiodotetrafluoroethane is used as an organic chemical synthesis intermediate.

Technology Process of 1,2-Diiodotetrafluoroethane

There total 21 articles about 1,2-Diiodotetrafluoroethane 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: 94.0%

polytetrafluoroethylene (116-14-3,82785-14-6) → 1,2-diiodotetrafluoroethane (354-65-4)

Guidance literature:

With iodine; for 216h; Irradiation;

DOI:10.1016/S0022-1139(97)00090-0

Reference yield: 70.0%

polytetrafluoroethylene (116-14-3,82785-14-6) + potassium tetrafluoro(2-fluorosulfonyl)-1-ethanolate (81439-24-9) → 1,2-diiodotetrafluoroethane (354-65-4) + 5-iodooctafluoro-3-oxapentanesulfonyl fluoride (66137-74-4) + difluoromethanesulfonyl fluoride (1554-47-8)

Guidance literature:

With bromine; iodine; In diethylene glycol dimethyl ether; for 4h; under 15001.2 Torr;

DOI:10.1016/S0022-1139(00)83141-3

Reference yield: 43.7%

polytetrafluoroethylene (116-14-3,82785-14-6) → 1,2-diiodotetrafluoroethane (354-65-4) + 1,1,2,2,3,3,4,4-octafluoro-1,4-diiodobutane (375-50-8) + dodecafluoro-1,6-diiodohexane (375-80-4) + 1,8-diiodoperfluorooctane (335-70-6)

Guidance literature:

With iodine; at 285 ℃; for 8h; Product distribution; var. TFE/iodine mol ratio;

DOI:10.1016/S0022-1139(00)81552-3

upstream raw materials:

polytetrafluoroethylene

potassium tetrafluoro(2-fluorosulfonyl)-1-ethanolate

perfluorosuccinic difluoride

Hexafluoropropene oxide

Downstream raw materials:

Pentafluoroethyl iodide

3,3,4,4-tetrafluoro-1,6-diiodo-hexane

1,1,1-trifluoro-2,2-diiodo-ethane

Iodotrifluoroethylene

Refernces

• 1、 Jing, Zhu,Baohe, Wang,Dongzhi, Liu. "Synthesis of 1,2-diiodotetrafluoroethane with pyrolysis gas of waste polytetrafluoroethylene as raw material". . p. 1042 - 1047. Retrieved 2013.
• 2、 -. "PROCESS FOR THE PURIFICATION OF ALPHA, OMEGA-DIIODOPERFLUORINATED COMPOUNDS". Page/Page column 4-5. . Retrieved 2010/08/08.