Database/Emollient/Diisopropyl Sebacate
Mostly natural · ISO 16128

Is Diisopropyl Sebacate natural?

Mostly. The sebacic-acid backbone comes from castor oil; the two isopropanol ester groups are petrochemical.

INCI nameDiisopropyl Sebacate
CAS7491-02-3
FormulaC16H30O4 · 286.41 Da
FunctionEmollient · Plasticiser
FeedstockSebacic acid, made by alkaline cleavage of castor…

How we scored it

Sebacic acid (castor-derived) C10H16O4 200 Da (natural) + 2 isopropyl C3H7 86 Da (petrochemical) = 286 Da; 200/286 = 0.70.
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

Sebacic acid, made by alkaline cleavage of castor oil's ricinoleic acid, is esterified with petrochemical isopropanol. The castor-derived acid carries most of the molecule's mass.

In plain English

A lightweight, silky emollient ester used in lotions and sunscreens to improve skin feel. Made by combining a castor-oil-derived acid with a petroleum-derived alcohol. Most of its weight comes from the castor oil portion.

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Structure

2D structure of Diisopropyl Sebacate

dipropan-2-yl decanedioate

PubChem CID 24096 ↗

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. 2Diisopropyl Sebacate. PubChem CID 24096. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3DIISOPROPYL SEBACATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4DIISOPROPYL SEBACATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DIISOPROPYL%20SEBACATE