Sulfur difluoride

Base Information

• Chemical Name: Sulfur difluoride
• CAS No.: 13814-25-0
• Molecular Formula: F2S
• Molecular Weight: 70.0628
• DSSTox Substance ID: DTXSID30160500
• Nikkaji Number: J134.313K
• Wikipedia: Sulfur difluoride
• Wikidata: Q553164
• Mol file: 13814-25-0.mol

Synonyms:SF2 compound;sulfur difluoride;sulfur fluoride

Chemical Property of Sulfur difluoride

Chemical Property:

• Refractive Index: 1.312
• PSA: 25.30000
• Density: 1.311g/cm³
• LogP: 1.48860
• XLogP3: 1.5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 69.96887750
• Heavy Atom Count: 3
• Complexity: 2.8

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Other Classes -> Sulfur Compounds
• Canonical SMILES: FSF

Technology Process of Sulfur difluoride

There total 7 articles about Sulfur difluoride 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:

fluorine (7782-41-4) + sulfur (7704-34-9) → disulfur decafluoride (5714-22-7) + sulfur difluoride (13814-25-0) + sulfur(VI) hexafluoride (2551-62-4)

Guidance literature:

In neat (no solvent); byproducts: silicium fluorides; passing F2 over sulfur in copper tube (atm. of dry nitrogen);; storage over concd. aq. KOH for some time (removal of SF2 and silicium fluorides); fractionate distillation (removal of main product SF6);;

Reference yield:

silver fluoride (11113-87-4) + sulfur (7704-34-9) → sulfur difluoride (13814-25-0) + disulfur difluoride + sulfur tetrafluoride (7783-60-0)

Guidance literature:

In neat (no solvent); -100 to -50°C;; not isolated;;

Reference yield:

bromine (7726-95-6) + fluorine (7782-41-4) + sulfur (7704-34-9) → sulfur difluoride (13814-25-0) + disulfur difluoride + sulfur tetrafluoride (7783-60-0)

Guidance literature:

In neat (no solvent); passing fluorine gas over a soln. of sulfur in bromine (forming S2Br2);;

upstream raw materials:

fluorine

sulfur

disulphur dibromide

bromine