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Octaphenylsilsesquioxane

Octaphenylsilsesquioxane Structure
Octaphenylsilsesquioxane structure
CAS No.
5256-79-1
Chemical Name:
Octaphenylsilsesquioxane
Synonyms
-POSS;DK802;Phenyl-POSS;Hydrogen-POSS;JACS-5256-79-1;Octaphenyl-POSS;Nitrophenyl-POSS;Aminophenyl-POSS;Octaphenylsilsequioxane;OCTAPHENYLSILSESQUIOXANE
CBNumber:
CB0106036
Molecular Formula:
C48H40O12Si8
Molecular Weight:
1033.51
MDL Number:
MFCD00308870
MOL File:
5256-79-1.mol
Last updated:2023-04-23 13:52:06

Octaphenylsilsesquioxane Properties

Melting point >350 °C (lit.)
Density 1.30 g/cm3
refractive index 1.61
storage temp. Inert atmosphere,Room Temperature
form powder to crystal
color White to Almost white
Specific Gravity 1.35
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
InChIKey KBXJHRABGYYAFC-UHFFFAOYSA-N
CAS DataBase Reference 5256-79-1
NIST Chemistry Reference Silsesquioxane, phenyl-, cubical octamer(5256-79-1)
EPA Substance Registry System Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl- (5256-79-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H332-H335
Precautionary statements  P261-P280-P305+P351+P338
WGK Germany  3
TSCA  No
HS Code  29319000

Octaphenylsilsesquioxane Chemical Properties,Uses,Production

Uses

Octaphenylsilsequioxane (CAS# 5256-79-1) is a polyhedral oligomeric silsesquioxane (POSS). Octaphenylsilsequioxane has been used in the preparation of flame-retardant and radiation-resistant materials.

Octaphenylsilsesquioxane Preparation Products And Raw materials

Raw materials

Preparation Products

Octaphenylsilsesquioxane Spectrum

Octaphenylsilsesquioxane(5256-79-1)IR

5256-79-1(Octaphenylsilsesquioxane)Related Search:

Heptamethyldisilazane Hexamethyldisilazane Sodium bis(trimethylsilyl)amide Oxalic acid dihydrate 2,4,6,8-Tetramethylcyclotetrasiloxane
OCTA(AMINOPHENYL)-T8-SILESQUIOXANE Octamethylsilsesquioxane Octaphenylsilsesquioxane

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OCTAPHENYLSILSESQUIOXANE OCTAPHENYL-T8-SILSESQUIOXANE 1,3,5,7,9,11,13,15-OCTAPHENYLPENTACYCLO[9.5.1.13,9.15,15.17,13]OCTASILOXANE Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, octaphenyl- Perphenyloctasilsesquioxane 1,3,5,7,9,11,13,15-OCTAPHENYLPENTACYCLO-OCTASILOXANE pss-octaphenyl substituted Octaphenyl-POSS(R), Octaphenylsilsesquioxane, 1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane Octaphenyloctasilsesquioxane Hydrogen-POSS Phenyl-POSS Nitrophenyl-POSS Aminophenyl-POSS PSS-Octaphenyl substituted,1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, Octaphenyl-POSS, Octaphenylsilsesquioxane OCTAPHENYL-T8-SILSESQUIOXAN Octaphenylsilsesquioxane (Octaphenyl substituted-PSS) Octaphenyl-POSS JACS-5256-79-1 1,3,5,7,9,11,13,15-Octaphenyl-2,4,6,8,10,12,14,16,17,18,19,20-dodecaoxa-1,3,5,7,9,11,13,15-octasilapentacyclo[9.5.1.13,9.15,15.17,13]icosane Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octaphenyl- Octaphenylsilsesquioxane（POSS） -POSS Octaphenylsilsequioxane DK802 5256-79-1 C48H40O12Si8