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CAS 65155-45-5 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3966902/03/2011

ISONONYL PROPIONATE

Isononyl propionate; 7-Methyloctyl propanoate

ISONONYL PROPIONATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 65155-45-5

CAS 65155-45-5PubChem CID 103310

Isononyl propionate

IUPAC name: 7-methyloctyl propanoate

Molecular formula: C12H24O2
Molecular weight: 200.32 g/mol
Exact mass: 200.177630004 Da
XLogP3: 4.3
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Propanoic acid, isononyl esterUNII-2Q1Q742V5W2Q1Q742V5WEINECS 265-573-3ISONONYL PROPANOATERefChem:149618265-573-37-methyloctyl propionate

1 more reported name

KOODESFNSDRUNJ-UHFFFAOYSA-N

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID1070270

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ISONONYL PROPIONATE

INCI name

ISONONYL PROPIONATE

Description

Isononyl propionate; 7-Methyloctyl propanoate

Record provenance

Inventory reference: 39669
Imported identity: ISONONYL PROPIONATE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for ISONONYL PROPIONATE

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Key data

CAS

65155-45-5

265-573-3

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

ISOMETHYL-BETA-IONONEPERFUMING

ISONONANALPERFUMING

ISONONYL ACETATEPERFUMING

ISONONYL ALCOHOLPERFUMING

ISOOCTANAL DIETHYL ACETALPERFUMING

ISOOCTANOLPERFUMING, SKIN CONDITIONING

ISOPENTANALFRAGRANCE, PERFUMING

ISOPENTENONE BUTYLENEGLYCOL CYCLIC ACETALPERFUMING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ISONONYL PROPIONATE appears in the CosIng inventory

The CosIng inventory lists ISONONYL PROPIONATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ISONONYL PROPIONATE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

ISONONYL PROPIONATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ISONONYL PROPIONATE carries the following function designation(s):

PERFUMING

CAS 65155-45-5 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for ISONONYL PROPIONATE

This page reproduces the CosIng inventory entry for ISONONYL PROPIONATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research ISONONYL PROPIONATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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