Difluorodimethylsilane

Base Information

• Chemical Name: Difluorodimethylsilane
• CAS No.: 353-66-2
• Molecular Formula: C2H6F2Si
• Molecular Weight: 96.1519
• Hs Code.: 2931900090
• European Community (EC) Number: 206-540-5
• DSSTox Substance ID: DTXSID6059861
• Nikkaji Number: J100.659B
• Wikidata: Q81988974
• Mol file: 353-66-2.mol

Synonyms:Difluorodimethylsilane;DIMETHYLDIFLUOROSILANE;353-66-2;Silane, difluorodimethyl-;difluoro(dimethyl)silane;Silane,difluorodimethyl-;EINECS 206-540-5;C2H6F2Si;(CH3)2SiF2;C2-H6-F2-Si;DTXSID6059861;XRRDNAZMVAXXQP-UHFFFAOYSA-;MFCD00042063;AKOS006229356;FT-0624920

Chemical Property of Difluorodimethylsilane

Chemical Property:

• Vapor Pressure: 1550mmHg at 25°C
• Melting Point: -88°C
• Refractive Index: 1.302
• Boiling Point: 4.7 °C at 760 mmHg
• Flash Point: <0°C
• PSA: 0.00000
• Density: 0.888 g/cm³
• LogP: 1.62720
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 96.02068305
• Heavy Atom Count: 5
• Complexity: 30.6

Purity/Quality:

99% ^*data from raw suppliers

Dimethyldifluorosilane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F
• Hazard Codes: F
• Statements: 12-34
• Safety Statements: 9-16-26-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Toxic Gases & Vapors -> Fluorosilanes
• Canonical SMILES: C[Si](C)(F)F

Technology Process of Difluorodimethylsilane

There total 65 articles about Difluorodimethylsilane 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: 100.0%

1,1,3,3-Tetramethyldisiloxane (3277-26-7) → dimethyldifluorosilane (353-66-2)

Guidance literature:

With NaHF₂; at 190 ℃; for 0.05h;

Reference yield: 92.0%

2,2,4,4,6,6-hexamethylcyclotrisilazane (1009-93-4) → dimethyldifluorosilane (353-66-2)

Guidance literature:

With boron trifluoride diethyl etherate; In neat (no solvent); at 20 - 120 ℃; for 3h; Temperature;

DOI:10.1080/10426507.2016.1160243

Reference yield: 90.0%

dimethylsilicon dichloride (75-78-5,30107-43-8) → dimethyldifluorosilane (353-66-2)

Guidance literature:

With C₅H₅NH(HF)nF; for 2h; Ambient temperature;

DOI:10.1016/S0022-1139(00)80180-3

upstream raw materials:

octamethylcyclotetrasiloxane

decamethylcyclopentasiloxane

dimethylsilicon dichloride

dimethylfluorosilyl azide

Downstream raw materials:

1-(Fluoro-dimethyl-silanyl)-2,2,4,4-tetraisopropyl-[1,3,2,4]diazadisiletidine

1,3-Bis-(fluoro-dimethyl-silanyl)-2,2,4,4-tetraisopropyl-[1,3,2,4]diazadisiletidine

trimethylsilyl fluoride

dimethyldimethoxysilan

Refernces

• 1、 Orchin,Feldman. "-". . p. 2737. Retrieved 1946.
• 2、 Harbordt,C.M.,O'Brien,D.H.. "". . p. 327 - 333. Retrieved 1970.
• 3、 Mueller,Mross. "". . p. 86,88. Retrieved 1963.
• 4、 D?hlert, Peter,Pfrommer, Johannes,Enthaler, Stephan. "Depolymerization of end-of-life poly(dimethylsilazane) with boron trifluoride diethyl etherate to produce difluorodimethylsilane as useful commodity". . p. 1189 - 1193. Retrieved 2016.
• 5、 -. "Synthetic method of lithium battery aid 3-cyanopropyldimethylfluorosilane". Paragraph 0014; 0042; 0045; 0049; 0052. . Retrieved 2019/07/11.
• 6、 Camerino, Eugene,Daniels, Grant C.,Wynne, James H.,Iezzi, Erick B.. "Synthesis and kinetics of disassembly for silyl-containing ethoxycarbonyls using fluoride ions". . p. 1884 - 1888. Retrieved 2018/02/06.