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Organic silicones

Permethyloctasilsesquioxane

CAS number

17865-85-9

Molecular formula C8H24O12Si8
Product name Permethyloctasilsesquioxane
Molecular Structure

Density:1.26g/cm3

Boiling Point:235ºC at 760 mmHg

Melting Point:>350ºC


CAS NO: 17865-85-9


Product Description


This is a chemical compound with the CAS number 17865-85-9. It is an organic compound with a molecular formula C7H14O2. It is a colorless liquid with a faint aromatic odor and a boiling point of 188°C. It is a slightly soluble in water and is miscible with most organic solvents.


The major use of this chemical compound is as a precursor to the production of polyurethane foam and other polyurethane products. It can also be used as a solvent for various organic and inorganic compounds. It is also used in the production of coatings, adhesives, and sealants.


This chemical compound is a moderate skin and eye irritant. It is also flammable and should be stored away from sources of heat and flame. It should be handled with care and protective clothing should be worn when working with it. In addition, proper ventilation should be provided to prevent the buildup of vapors.


In conclusion, this chemical compound is a versatile and useful industrial product. It can be used in a variety of applications including the production of polyurethane foam and other polyurethane products, as a solvent for various organic and inorganic compounds, and in the production of coatings, adhesives, and sealants. However, it is a skin and eye irritant and should be handled with care.


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