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Silsesquioxanes

CAS No.
67763-03-5
Chemical Name:
Silsesquioxanes
Synonyms
Organosilicon resin;Silsesquioxanes Me Ph;silicon(s);OE-6662 A/B KIT;MQ Silicon Resin;Organosilicone resin;Organic silicon resin;Me Ph silsesquioxanes;Methyl MQ Silicon Resin;SILICONE RELAESE EMULSION
CBNumber:
CB5851786
Molecular Formula:
H4Si
Molecular Weight:
32.11726
MDL Number:
MOL File:
67763-03-5.mol
Last updated:2025-12-31 14:38:37

Silsesquioxanes Properties

Cosmetics Ingredients Functions OPACIFYING
SLIP MODIFIER
EPA Substance Registry System Silsesquioxanes, Me Ph (67763-03-5)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

Silsesquioxanes Chemical Properties, Uses, Production

Synthesis

Silsesquioxanes are usually synthesized by hydrolysis of organotrichlorosilanes.An idealized synthesis is:8 RSiCl3 + 12 H2O → [RSiO3/2]8 + 24 HCl

Description

Silsesquioxanes are members of polyoctahedral silsesquioxanes ("POSS"), which have attracted attention as preceramic polymer precursors to ceramic materials and nanocomposites. Diverse substituents (R) can be attached to the Si centers. The molecules are unusual because they feature an inorganic silicate core and an organic exterior. The silica core confers rigidity and thermal stability.

Uses

A silsesquioxane is an organosilicon compound with the chemical formula [RSiO3/2]n (R = H, alkyl, aryl or alkoxyl).Silsesquioxanes are colorless solids that adopt cage-like or polymeric structures with Si-O-Si linkages and tetrahedral Si vertices.

Silsesquioxanes Preparation Products And Raw materials

Raw materials

Preparation Products

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METHYLPHENYLSILSESQUIOXANE Me Ph cyclosilsesquioxanes Me Ph silsesquioxanes Organosilicone resin SILICONE RELAESE EMULSION silicon(s) MQ Silicon Resin Methyl MQ Silicon Resin TIANFU-CHEM CAS NO.67763-03-5 Organosilicone resin Organic silicon resin OE-6662 A/B KIT DOW Corning OE-6652 A/B KIT Organosilicon resin Silsesquioxanes Me Ph 67763-03-5 67763-03-6