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Trisiloxane, 3,3,5,5-tetramethyl-1,1,1-triphenyl-, also known as 3,3,5,5-tetramethyl-1,1,1-triphenyltrisiloxane, is a complex organic compound with the chemical formula C27H34OSi3. It is a cyclic siloxane with three silicon atoms and three oxygen atoms in its structure, forming a six-membered ring. The compound is characterized by its three methyl groups (CH3) attached to the silicon atoms and three phenyl groups (C6H5) connected to the central silicon atom. This specific arrangement of substituents gives the compound unique properties, such as thermal stability and low reactivity, making it useful in various applications, including as a component in silicone-based materials and as a precursor in the synthesis of other organosilicon compounds.

80980-83-2

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80980-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80980-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,8 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80980-83:
(7*8)+(6*0)+(5*9)+(4*8)+(3*0)+(2*8)+(1*3)=152
152 % 10 = 2
So 80980-83-2 is a valid CAS Registry Number.

80980-83-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1,3,3-tetramethyl-5,5,5-triphenyltrisiloxane

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:80980-83-2 SDS

80980-83-2Relevant academic research and scientific papers

DEHYDROCONDENSATION OF ORGANIC HYDROSILANES WITH SILANOLS. PART II. EFFECT OF SILOXANE CHAIN LENGTH ON THE REACTIVITY OF SI-H END-GROUPS. THE SUBSTITUTION EFFECT

Chrusciel, Jerzy,Lasocki, Zygmunt

, p. 121 - 128 (2007/10/02)

It has been found that the reactivity of Si-H end-groups in the homologous series of α,-dihydropolidimethylsiloxanes H(Me2SiO)nSiMe2H in their reaction with diphenylsilanediol in DMF and in presence of ZnCl2 decreases for n changing from 1 to 3 and is stabilized for larger n.The substitution effect of a single Si-H group in 1,1,3,3-tetramethyldisiloxane by triphenylsilanol was determined from rate measurements of the reaction of the primary product of condensation: 1,1,3,3-tetramethyl-5,5,5-triphenyltrisiloxane, which was prepared independently.A kinetic model of non-equilibrium polycondensation proceeding with a single reactivity change of a functional group was devised and numerically checked.

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