Diiododifluoromethane

Base Information

• Chemical Name: Diiododifluoromethane
• CAS No.: 1184-76-5
• Molecular Formula: CF2I2
• Molecular Weight: 303.817
• Hs Code.: 2903799090
• European Community (EC) Number: 692-496-6
• DSSTox Substance ID: DTXSID00371828
• Nikkaji Number: J80.065A
• Wikidata: Q72467162
• Mol file: 1184-76-5.mol

Synonyms:DIIODODIFLUOROMETHANE;1184-76-5;difluorodiiodomethane;difluoro(diiodo)methane;CF2I2;SCHEMBL1317224;DTXSID00371828;SOEBNUZZZSSRNB-UHFFFAOYSA-N;AMY37134;MFCD00798131;AKOS005063361;BS-25062;FT-0645512

Chemical Property of Diiododifluoromethane

Chemical Property:

• Vapor Pressure: 66.3mmHg at 25°C
• Melting Point: -72 °C
• Refractive Index: 1.62
• Boiling Point: 89.382 °C at 760 mmHg
• Flash Point: 24.271 °C
• PSA: 0.00000
• Density: 3.245 g/cm³
• LogP: 2.40670
• Storage Temp.: Refrigerator, under inert atmosphere
• Solubility.: Benzene (Sparingly), Chloroform, Methanol (Slightly)
• XLogP3: 2.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 303.80575
• Heavy Atom Count: 5
• Complexity: 30.6

Purity/Quality:

99.9% ^*data from raw suppliers

Diiododifluoromethane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R36/37/38:
• Hazard Codes: Harmful:
• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C(F)(F)(I)I
• Uses: Diiododifluoromethane is useful for the synthetic preparation of alpha,omega-diiodoperfluoroalkanes.

Technology Process of Diiododifluoromethane

There total 28 articles about Diiododifluoromethane 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: 61.0%

fluorosulfonyldifluoroacetyl fluoride (677-67-8) → difluorodiiodomethane (1184-76-5)

Guidance literature:

With iodine; silica gel; potassium iodide; In acetonitrile; at 60 - 65 ℃; for 2h;

DOI:10.1135/cccc20021320

Reference yield: 50.0%

potassium 2-bromo-2,2-difluoroacetate (87189-16-0) → difluorodiiodomethane (1184-76-5)

Guidance literature:

With copper(l) iodide; iodine; potassium iodide; In N,N-dimethyl-formamide; at 40 ℃; for 10h;

DOI:10.1039/c39920000807

Reference yield: 30.0%

Tris(trifluormethyl)-difluorphosphoran (661-45-0,79549-41-0) + iodine (7553-56-2,12190-71-5,8031-47-8) → 1,1,2,2,3,3-hexafluoro-1,3-diiodopropane (422-91-3) + 1,2-diiodotetrafluoroethane (354-65-4) + difluorodiiodomethane (1184-76-5) + 1,1,2,2,3,3-Hexafluoro-cyclopropane (931-91-9)

Guidance literature:

ppyrolysis at 120°C (24 h);

upstream raw materials:

carbon tetraiodide

metyhyl chlorodifluoroacetate

methyl bromodifluoroacetate

potassium 2-bromo-2,2-difluoroacetate

Downstream raw materials:

2-(trifluoromethyl)imidazole

5-(trifluoromethyl)-1H-imidazole

2-(trifluoromethyl)indole

3-(trifluoromethyl)-1H-indole

Refernces

• 1、 McAlpine,Sutcliffe. "-". . p. 3215. Retrieved 1969.
• 2、 Yang, Zhen-Yu. "Nickel-catalyzed reaction of highly fluorinated epoxides with halogens". . p. 8140 - 8141. Retrieved 1996.
• 3、 -. "SYNTHESIS OF DIIODOPERFLUORO-C3 TO C7-ALKANES". Paragraph 0089-0090. . Retrieved 2016/09/26.
• 4、 -. "METHOD OF MAKING ALPHA, OMEGA-DIIODOPERFLUOROALKANES". Page/Page column 12-13. . Retrieved 2014/05/07.