What function does BUTYL PELARGONATE serve in cosmetics?

According to the EU CosIng inventory, BUTYL PELARGONATE carries the following function designation(s): HAIR CONDITIONING, NAIL CONDITIONING, DISPERSING NON-SURFACTANT, EYELASH CONDITIONING, SKIN CONDITIONING - MISCELLANEOUS.

What other records share CAS 50623-57-9?

CAS 50623-57-9 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.

How do I check if my formula contains BUTYL PELARGONATE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef cosing-live-1043092024-08-16

BUTYL PELARGONATE

Butyl Pelargonate is the ester of n-Butyl Alcohol and Pelargonic Acid. It conforms to the formula

BUTYL PELARGONATE 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 50623-57-9

CAS 50623-57-9PubChem CID 39742

Butyl nonanoate

IUPAC name: butyl nonanoate

Molecular formula: C13H26O2
Molecular weight: 214.34 g/mol
Exact mass: 214.193280068 Da
XLogP3: 4.9
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Butyl nonan-1-oateNonanoic acid, butyl esterButyl pelargonateUNII-9YX9F28J2N9YX9F28J2NN-BUTYL NONANOATEEINECS 256-661-2AI3-33588

5 more reported names

n-Pelargonic acid, butyl esterRefChem:122281DOLFPCDDMUMIMR-UHFFFAOYSA-Nnonanoic acid butyl esterPelargonic acid butyl ester

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID80198671

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

Official European Commission record

CosIng substance ID: 104309
Published in the Official Journal: Yes
Recorded by the Commission: 2024-08-16

Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for BUTYL PELARGONATE

INCI name

BUTYL PELARGONATE

Description

Butyl Pelargonate is the ester of n-Butyl Alcohol and Pelargonic Acid. It conforms to the formula

Record provenance

Inventory reference: cosing-live-104309
Imported identity: BUTYL PELARGONATE
Source update: 2024-08-16

European Commission CosIng source notes

Annex records for BUTYL PELARGONATE

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Key data

CAS

50623-57-9

256-661-2

Restriction

—

Function

HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
NAIL CONDITIONING: Improving and/or enhancing the cosmetic characteristics of the nail (moisturizing, increasing sheen, reducing brittleness and flaking, etc.).
DISPERSING NON-SURFACTANT: Facilitating the dispersion of solids in liquids. They function primarily by coating the solid through the process of adsorption, thus changing the surface characteristic of the suspended solid.
EYELASH CONDITIONING: Conditioning and enhancing the appearance of eyelashes. Improving the gloss or sheen of eyelashes, coating the eyelash hair to increase the appearance of its diameter and length, or helping with the separation of the eyelash hair.
SKIN CONDITIONING - MISCELLANEOUS: Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.

Official EU ingredient-name evidence

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

#4155 · BUTYL PELARGONATE

Ingredients with overlapping formulation functions

FURANYL METHYLTHIO METHYLSULFANYLTRIAZOLEASTRINGENT; HAIR CONDITIONING; EYELASH CONDITIONING

HEXYL PELARGONATEHAIR CONDITIONING; NAIL CONDITIONING; DISPERSING NON-SURFACTANT; EYELASH CONDITIONING; SKIN CONDITI…

HUMAN CELL MEMBRANE LIPOPROTEINS/LIPIDSEYELASH CONDITIONING, HAIR CONDITIONING, SKIN PROTECTING

HUMAN DERMAL FIBROBLAST STEM CELL EXOSOMESBUFFERING; HAIR CONDITIONING; EYELASH CONDITIONING; SKIN CONDITIONING - MISCELLANEOUS

HUMAN MONONUCLEAR CELL INDUCED PLURIPOTENT CELL CULTURE CONDITIONED MEDIAHAIR CONDITIONING; EYELASH CONDITIONING; SKIN CONDITIONING - MISCELLANEOUS

ISOPROPYL DIMETHYLNORCARBOPROSTATEEYELASH CONDITIONING

MORPHOLINO OXOPHENYL BENZOXAZOLEHAIR CONDITIONING; EYELASH CONDITIONING

MORPHOLINO OXOPIPERIDINYL BENZOXAZOLEHAIR CONDITIONING; EYELASH CONDITIONING

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 BUTYL PELARGONATE appears in the CosIng inventory

The CosIng inventory lists BUTYL PELARGONATE 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.

BUTYL PELARGONATE is also tagged with 5 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

BUTYL PELARGONATE 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, BUTYL PELARGONATE carries the following function designation(s):

CAS 50623-57-9 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 BUTYL PELARGONATE

This page reproduces the CosIng inventory entry for BUTYL PELARGONATE 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 BUTYL PELARGONATE 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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Tools & next steps

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