5256-79-1

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5256-79-1 Structure

Identification	Back 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 Properties	Back 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)

Hazard Information	Back 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 Detail	Back Directory
[Spectrum Detail] Octaphenylsilsesquioxane(5256-79-1)IR

Tags:5256-79-1 Related Product Information

37074-17-2 999-97-3 1070-89-9 6153-56-6 2370-88-9

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