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2,2,4,6-Tetra-tert-butyl-4,6-diphenylcyclotrisiloxane is a complex organic-inorganic hybrid compound, characterized by its unique structure and properties. It consists of a cyclic trisiloxane core, which is a three-membered ring containing three silicon atoms and three oxygen atoms. Each silicon atom is bonded to two oxygen atoms and one tert-butyl group, while two of the silicon atoms are also bonded to a phenyl group. The tert-butyl groups provide steric hindrance, making the molecule more stable and less reactive. 2,2,4,6-Tetra-tert-butyl-4,6-diphenylcyclotrisiloxane is known for its thermal stability, low toxicity, and potential applications in various fields, such as materials science, polymer chemistry, and as a precursor in the synthesis of other organosilicon compounds. Its unique structure also makes it a subject of interest in the study of silicon-containing compounds and their properties.

80249-63-4

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80249-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80249-63-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,4 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80249-63:
(7*8)+(6*0)+(5*2)+(4*4)+(3*9)+(2*6)+(1*3)=124
124 % 10 = 4
So 80249-63-4 is a valid CAS Registry Number.

80249-63-4Downstream Products

80249-63-4Relevant academic research and scientific papers

Lithium Fluorosilanolates - Units of Chain and Ring Siloxanes

Klingebiel, Uwe

, p. 3366 - 3371 (2007/10/02)

Potassium hydroxide reacts with difluorosilanes R-SiF2-R' (1 - 4: R = R' = CMe3, NC2H5(SiMe3), N-iC3H7(SiMe3); R = CMe3, R' = C6H5) to give the fluorosilanols R-FSiOH-R' (7 - 10).The siloxane is obtained in the reaction of SiF2 (6) with KOH via a 1,3-silyl group migration. 7 - 10 react with butyllithium to give the lithium fluorosilanolates 11 - 14.The reaction of these lithium salts with halogensilanes leads to the formation of the halogen functional siloxanes 15, 17 - 21.Lithiated 16 (22) is substituted by fluorosilanes at the nitrogen (23 - 25).The cyclic siloxanes 26 - 28 are formed by thermal LiF elimination from 11 and 12.Dilithiated di-tert-butylsilanol reacts with 15 to give 2,2,4,6-tetra-tert-butyl-4,6-diphenylcyclotrisiloxane (29).

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