Product description

Product Description
Chemical Name: Octaphenylsilsesquioxane; POSS; Polyhedral Oligomeric Silsesquioxane; Polyphenylsilsesquioxane
CAS No. 5256-79-1
Description: It’s a cage-like molecule where eight silicon atoms are linked by oxygen atoms, with a phenyl group attached to each silicon atom.
Structure

Technical Data
Appearance: White powder
Average particle size: 4-6μm
Volatile content <0.5%
Melting point ≥440 °C
Molecular weight: 1033.51

Main Use
Flammable and Radiation Resistant Materials:
OPS has been used in the preparation of materials that are flame-retardant and radiation-resistant. Hybrid Materials:
It’s a component of hybrid materials, where it acts as a glassification aid, crosslinker, or for surface modification.
Nanoconstruction Site:
Octa(aminophenyl)silsesquioxane (OAPS), which is prepared from OPS, can serve as a nanoconstruction site for materials like high-temperature nanocomposites and organic light-emitting diodes.
Damping Fluids, Dielectric Fluids, and Other Applications:
Octadecamethyloctasiloxane, a related compound, is used in various applications like damping fluids, dielectric fluids, polishes, and more.