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Home Product name listOctamethylsilsesquioxane

Octamethylsilsesquioxane

Synonym(s):1,3,5,7,9,11,13,15-Octamethylpentacyclo[9.5.1.1^3,9.1^5,15.1^7,13]octasiloxane;Octamethylsilsesquioxane

CAS NO.：17865-85-9
Empirical Formula: C8H24O12Si8
Molecular Weight: 536.95
MDL number: MFCD02683561
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:24:44

Octamethylsilsesquioxane Structural

Properties of Octamethylsilsesquioxane

Melting point:	>350 °C (lit.)
Boiling point:	235.0±23.0 °C(Predicted)
Density	1.26±0.1 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
NIST Chemistry Reference	Octasilsesquioxane, octamethyl-(17865-85-9)
EPA Substance Registry System	Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octamethyl- (17865-85-9)

Safety information for Octamethylsilsesquioxane

Computed Descriptors for Octamethylsilsesquioxane

InChIKey

SOQGBGSEJYZNPS-UHFFFAOYSA-N

Octamethylsilsesquioxane manufacturer

Aritech Chemazone Private Limited

Punjab

product: nanochemazone Octamethyl POSS

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Octamethylsilsesquioxane

Octamethylsilsesquioxane

1-ALLYL-3,5,7,9,11,13,15-HEPTAISOBUTYLPENTACYCLO[9.5.1.1.(3,9).1(5,15).1(7,13)]OCTASILOXANE

1-ALLYL-3,5,7,9,11,13,15-HEPTAISOBUTYLPENTACYCLO[9.5.1.1.(3,9).1(5,15).1(7,13)]OCTASILOXANE

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