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ChemicalBook--->CAS DataBase List--->5256-79-1

5256-79-1

5256-79-1 Structure

5256-79-1 Structure
IdentificationBack Directory
[Name]

Octaphenylsilsesquioxane
[CAS]

5256-79-1
[Synonyms]

-POSS
DK802
Phenyl-POSS
Hydrogen-POSS
JACS-5256-79-1
Octaphenyl-POSS
Nitrophenyl-POSS
Aminophenyl-POSS
Octaphenylsilsequioxane
OCTAPHENYLSILSESQUIOXANE
pss-octaphenyl substituted
Perphenyloctasilsesquioxane
OCTAPHENYL-T8-SILSESQUIOXAN
OCTAPHENYL-T8-SILSESQUIOXANE
Octaphenyloctasilsesquioxane
Octaphenylsilsesquioxane（POSS）
1,3,5,7,9,11,13,15-OCTAPHENYLPENTACYCLO-OCTASILOXANE
Octaphenylsilsesquioxane (Octaphenyl substituted-PSS)
Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, octaphenyl-
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, 1,3,5,7,9,11,13,15-octaphenyl-
Octaphenyl-POSS(R), Octaphenylsilsesquioxane, 1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane
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
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
[Molecular Formula]

C48H40O12Si8
[MDL Number]

MFCD00308870
[MOL File]

5256-79-1.mol
[Molecular Weight]

1033.51
Chemical PropertiesBack Directory
[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 DataBack Directory
[WGK Germany ]

3
[TSCA ]

No
[HS Code ]

29319000
Hazard InformationBack Directory
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

Octaphenylsilsesquioxane(5256-79-1)IR
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