BIS(TRIPHENYLSILYL)CHROMATE 96

Base Information

• Chemical Name: BIS(TRIPHENYLSILYL)CHROMATE 96
• CAS No.: 1624-02-8
• Molecular Formula: C36H30CrO4Si2
• Molecular Weight: 634.799
• Hs Code.: 2931900090
• Mol file: 1624-02-8.mol

Synonyms:Silanol, triphenyl-, chromate(VI) (6CI,7CI);Silanol, triphenyl-, diester with chromic acid (H₂CrO₄)(8CI);Chromic acid (H₂CrO₄), bis(triphenylsilyl) ester;

Chemical Property of BIS(TRIPHENYLSILYL)CHROMATE 96

Chemical Property:

• Melting Point: 159 °C (dec.)(lit.)
• PSA: 52.60000
• LogP: 4.03120

Purity/Quality:

99.9% ^*data from raw suppliers

Bis(triphenylsilyl) chromate 96% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T,N
• Hazard Codes: T,N
• Statements: 49-43-50/53
• Safety Statements: 53-45-60-61

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Reactant for the XPS and XRD characterization of chromium-silica catalystsSilyl chromate catalyst for Olefin polymerization and ethylene polymerizationBenzylic oxidations used as a phase transfer catalyst

Technology Process of BIS(TRIPHENYLSILYL)CHROMATE 96

There total 4 articles about BIS(TRIPHENYLSILYL)CHROMATE 96 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: 66.0%

Triphenylsilyl chloride (76-86-8) → bis-(triphenylsilyl oxide)dioxochromium (1624-02-8)

Guidance literature:

With potassium dichromate; In acetic acid;

Reference yield: 19.0%

chromium(VI) oxide + Triphenylsilyl chloride (76-86-8) → dioxochloro(triphenylsiloxy)chromate(VI) (126900-32-1) + chromyl chloride (14977-61-8) + bis-(triphenylsilyl oxide)dioxochromium (1624-02-8)

Guidance literature:

In dichloromethane; byproducts: (C6H5)3SiOSi(C6H5)3; React. of CrO3 with Ph3SiCl in CH2Cl2 results in an orange-red soln. after stirring of mixt. (24 h, room temp., vac. or Ar).; Filtn., evapn., removal of CrO2Cl2, extn. (hot hexane), combining of filtered ext., refiltn. and cooling to 0°C yields CrO2(OSiPh3)2 as yellow-orange needles, which are filtered and cooled at -20°C to afford CrO2Cl(OSiPh3). Elem. anal.;

Reference yield:

chromyl chloride (14977-61-8) + triphenylhydroxysilane (791-31-1) → dioxochloro(triphenylsiloxy)chromate(VI) (126900-32-1) + bis-(triphenylsilyl oxide)dioxochromium (1624-02-8)

Guidance literature:

In dichloromethane; byproducts: HCl; React. of CrO2Cl2 with 1 equiv of Ph3SiOH in CH2Cl2 results in an orange-red soln. after stirring of mixt. (24 h, room temp., vac. or Ar).; Filtn., evapn., removal of CrO2Cl2, extn. (hot hexane), combining of filtered ext., refiltn. and cooling to 0°C yields CrO2(OSiPh3)2 as yellow-orange needles, which are filtered and cooled at -20°C to afford CrO2Cl(OSiPh3). Elem. anal.;

upstream raw materials:

Triphenylsilyl chloride

chromyl chloride

triphenylhydroxysilane

Refernces

• 1、 Stavropoulos, Pericles,Bryson, Nathan,Youinou, Marie-Thérèse,Osborn, John A.. "Chromyl complexes with aryloxy and siloxy ligands". . p. 1807 - 1811. Retrieved 2008/10/08.