Phenyl-POSS 5256-79-1 98%
Octaphenylsilsesquioxane Chemical Properties
Melting point >350 °C (lit.)
density 1.30 g/cm3
refractive index 1.61
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)
Octaphenylsilsesquioxane Basic information
Product Name: Octaphenylsilsesquioxane
Synonyms: 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
CAS: 5256-79-1
MF: C48H40O12Si8
MW: 1033.51
Mol File: 5256-79-1.mol
Safety Information
WGK Germany 3
TSCA No
HS Code 29319000
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