Database/Skin Conditioning/Bis-Diphenylethyl Disiloxane
100% petroleum · ISO 16128

Is Bis-Diphenylethyl Disiloxane natural?

No. The disiloxane core is silicone (0.0 by this site's convention) and the two diphenylethyl groups derive from petrochemical benzene and styrene.

INCI nameBis-Diphenylethyl Disiloxane
CAS820207-10-1
FormulaC32H38OSi2 · 494.8 Da
FunctionSkin Conditioning
FeedstockTypically made by hydrosilylation of 1,1-diphenylethylene with tetramethyldisiloxane.…

How we scored it

Silicone: 0.0 by this site's convention. C32H38OSi2 494.8: diphenylethyl groups come from petrochemical benzene/styrene, methyl groups from methyl chloride. Natural credited mass 0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Typically made by hydrosilylation of 1,1-diphenylethylene with tetramethyldisiloxane. All carbon is petrochemical and the Si-O core is scored 0.0 under the silicone convention.

In plain English

A silicone-based skin-conditioning ingredient that gives a smooth, slippery feel and adds shine. It is built from a siloxane core carrying two bulky diphenylethyl groups made from petrochemical aromatics.

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Structure

2D structure of Bis-Diphenylethyl Disiloxane

2,2-diphenylethyl-[2,2-diphenylethyl(dimethyl)silyl]oxy-dimethylsilane

PubChem CID 71420565 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Bis-Diphenylethyl Disiloxane. PubChem CID 71420565. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3BIS-DIPHENYLETHYL DISILOXANE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4BIS-DIPHENYLETHYL DISILOXANE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=BIS-DIPHENYLETHYL%20DISILOXANE