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InventoryRef 5501615/10/2010

BUTYLENE GLYCOL PROPIONATE

1,3-Butanediol, monopropanoate

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

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 91171-54-9
CAS 91171-54-9PubChem CID 57355721

Propanoic acid--butane-1,4-diol (1/1)

IUPAC name
butane-1,4-diol;propanoic acid
Molecular formula
C7H16O4
Molecular weight
164.20 g/mol
Exact mass
164.10485899 Da
Topological polar surface area
77.8 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

RefChem:1096894BUTYLENE GLYCOL PROPIONATEUNII-N85F020LCE1,3-Butanediol, monopropanoate1,3-Butylene glycol monopropionateN85F020LCE
External database identifiers

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 BUTYLENE GLYCOL PROPIONATE

INCI name

BUTYLENE GLYCOL PROPIONATE

Description

1,3-Butanediol, monopropanoate

Record provenance

Inventory reference
55016
Imported identity
BUTYLENE GLYCOL PROPIONATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How BUTYLENE GLYCOL PROPIONATE appears in the CosIng inventory

The CosIng inventory lists BUTYLENE GLYCOL 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.

BUTYLENE GLYCOL 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

BUTYLENE GLYCOL 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, BUTYLENE GLYCOL PROPIONATE carries the following function designation(s):

CAS 91171-54-9 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.

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

Source note for BUTYLENE GLYCOL PROPIONATE

This page reproduces the CosIng inventory entry for BUTYLENE GLYCOL 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 BUTYLENE GLYCOL PROPIONATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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