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InventoryRef 7678215/10/2010

ISONONYL ISONONANOATE

3,5,5-Trimethylhexyl 3,5,5-trimethylhexanoate

ISONONYL ISONONANOATE 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 42131-25-9

CAS 42131-25-9PubChem CID 9882283

7-Methyloctyl 7-methyloctanoate

7-Methyloctyl 7-methyloctanoate is a carboxylic ester. — ChEBI

IUPAC name: 7-methyloctyl 7-methyloctanoate

Molecular formula: C18H36O2
Molecular weight: 284.5 g/mol
Exact mass: 284.271530387 Da
XLogP3: 7.0
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

WE(8:0(7Me)/8:0(7Me))RefChem:106386Isononyl isononanoateIsononanoicacid, isononyl ester (9CI)CHEBI:196213LHWUVOILCRBENG-UHFFFAOYSA-NIsononanoicacid isononyl ester (9CI)WE 8:0(7Me)/8:0(7Me)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:196213
EPA DTXSID:DTXSID80962298
PubMed:21461388
PubMed:21437791
PubMed:21062023
PubMed:18976389
PubMed:17929095

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

PubChem 2D chemical structure for CAS 59219-71-5

CAS 59219-71-5PubChem CID 100986

Hexanoic acid, 3,5,5-trimethyl-, 3,5,5-trimethylhexyl ester

IUPAC name: 3,5,5-trimethylhexyl 3,5,5-trimethylhexanoate

Molecular formula: C18H36O2
Molecular weight: 284.5 g/mol
Exact mass: 284.271530387 Da
XLogP3: 6.5
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:1086612261-665-2Tegosoft IniDermol 99Hatcol 5131S4V5BS6GCXIsononanoic acid, isononyl ester3,5,5-Trimethylhexyl-3,5,5-trimethylhexanoate

12 more reported names

3 5 5-TRIMETHYLHEXYL 3 5 5-TRIMETHYL-EINECS 261-665-2UNII-S4V5BS6GCXSALACOS 99LANOL 993,5,5-Trimethyl-1-hexyl 3,5,5-trimethylhexanoateKAK 99Isononyl 3,5,5 trimethylhexanoateISONONYL ISONONANOATE [WHO-DD]DB-356637EC 609-993-03,5,5-trimethylhexanoic acid-3,5,5-trimethylhexyl ester

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID80866747

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 ISONONANOATE

INCI name

ISONONYL ISONONANOATE

Description

3,5,5-Trimethylhexyl 3,5,5-trimethylhexanoate

Record provenance

Inventory reference: 76782
Imported identity: ISONONYL ISONONANOATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ISONONYL ISONONANOATE

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Key data

CAS

59219-71-5 / 42131-25-9

261-665-2 / -

Restriction

—

Function

ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
SKIN CONDITIONING: Maintaining the skin in good condition.
SKIN CONDITIONING - EMOLLIENT: Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#13796 · ISONONYL ISONONANOATE

Ingredients with overlapping formulation functions

ISODECYL ISONONANOATEANTISTATIC, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

ISODECYL SALICYLATEANTISTATIC, SKIN CONDITIONING

ISOLEUCINEANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

ISONONAMIDOPROPYL ETHYLDIMONIUM ETHOSULFATEANTISTATIC

ISOPROPYL ESTER OF PVM/MA COPOLYMERANTISTATIC, BINDING, EMULSION STABILISING, FILM FORMING, HAIR FIXING

ISOPROPYL LANOLATEANTISTATIC, BINDING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

ISOSTEARAMIDE DEAANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

ISOSTEARAMIDE MEAANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

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 ISONONANOATE appears in the CosIng inventory

The CosIng inventory lists ISONONYL ISONONANOATE 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 ISONONANOATE is also tagged with 3 cosmetic functions 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 ISONONANOATE 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 ISONONANOATE carries the following function designation(s):

CAS 59219-71-5 / 42131-25-9 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 ISONONANOATE

This page reproduces the CosIng inventory entry for ISONONYL ISONONANOATE 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 ISONONANOATE 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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