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Disiloxane, 1,3-dichloro-1,1,3,3-tetraphenyl-

CAS 7756-87-8

EPA and Census publish no US supply data for this chemical.

Molecular structure of 7756-87-8
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS7756-87-8
PubChem CIDNot recorded
DTXSIDDTXSID6064791
FormulaC24H20Cl2OSi2
Mol. Weight451.49 g/mol
SMILESCl[Si](O[Si](Cl)(C1=CC=CC=C1)C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1

Data Sources

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Brief citations

Disiloxane, 1,3-dichloro-1,1,3,3-tetraphenyl- (CAS 7756-87-8) https://chemicalindependence.com/chemical/7756-87-8/ EPA TSCA Inventory: CAS 7756-87-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory