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Disilane, 1,1-dimethyl-1,2,2,2-tetraphenyl-, also known as 1,1-dimethyl-1,2,2,2-tetraphenyldisilane, is a chemical compound with the molecular formula C26H24Si2. It is a colorless, crystalline solid that is insoluble in water but soluble in organic solvents. Disilane, 1,1-dimethyl-1,2,2,2-tetraphenyl- is a derivative of disilane, which is a silicon-hydrogen compound with the general formula Si2H6. The 1,1-dimethyl-1,2,2,2-tetraphenyl-disilane features two methyl groups attached to one silicon atom and four phenyl groups attached to the other silicon atom, making it a highly substituted disilane. It is primarily used in the synthesis of various organosilicon compounds and as a precursor in the production of silicone materials. Due to its reactivity and potential toxicity, it should be handled with care and used in well-ventilated areas.

1450-20-0

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1450-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1450-20-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1450-20:
(6*1)+(5*4)+(4*5)+(3*0)+(2*2)+(1*0)=50
50 % 10 = 0
So 1450-20-0 is a valid CAS Registry Number.

1450-20-0Relevant academic research and scientific papers

Preparation of New Monomeric, Oligomeric, and Polymeric Silyl Triflates

Uhlig, Wolfram

, p. 47 - 54 (2007/10/02)

The highly reactive silyl triflates R3SiOSO2CF3 are valuable reagents in organosilicon chemistry.New triflate derivatives of mono- and oligosilanes have been prepared by substitution of phenyl groups or hydrogen atoms for the trifluoromethanesulfonyl group.The presence of the electron-withdrawing triflate group leads to a strong deactivation of the other substituents at the silicon atom, and the displacement of a second phenyl group at the same silicon atom is much slower than the first step.For this reason in the case of phenylated oligosilanes stepwisemonosubstitution of the silicon atoms has been found.Other new oligomeric silyl triflates are obtained by reaction of silanediyl(triyl) bis(tris)(trifluoromethanesulfonates) with lithium derivatives of organosilicon compounds.Finally, the cleavage of silicon - phenyl bonds of poly by CF3SO3H leads to triflate derivatives of polysilanes. Key Words: Silyl triflates / Organosilanes

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