Propylene Glycol Diisononanoate
- IUPAC name
- bis(7-methyloctanoic acid);propane-1,2-diol
- Molecular formula
- C21H44O6
- Molecular weight
- 392.6 g/mol
- Exact mass
- 392.31378912 Da
- Topological polar surface area
- 115.0 Ų
- Hydrogen-bond donors
- 4
- Hydrogen-bond acceptors
- 6
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
External database identifiers
- EPA DTXSID:DTXSID10721431
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Cosmetic Ingredient Review Conclusion: The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use and concentration described in this safety assessment in cosmetics when formulated to be non-irritating...Propylene Glycol Diisononanoate... Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Link: CIR ingredient: Propylene Glycol Diisononanoate Source: Cosmetic Ingredient Review (CIR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.