What does the restriction note for ALLYL BUTYRATE mean?

The restriction field for ALLYL BUTYRATE reads: III/135. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 2051-78-7?

CAS 2051-78-7 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 ALLYL BUTYRATE?

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 4133415/10/2010

ALLYL BUTYRATE

2-Propenyl Butanoate

ALLYL BUTYRATE is linked to 1 EU annex record on this page. Inventory note: III/135.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Restricted entry found Open this evidence	1	English and EU languages
Great Britain	Evidence linked Restricted Open this evidence	1	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Evidence linked Restricted Open this evidence	1	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Evidence linked Restricted Open this evidence	1	English and Hindi
Saudi Arabia	Evidence linked Restricted Open this evidence	1	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 2051-78-7

CAS 2051-78-7PubChem CID 16324

Allyl butyrate

Allyl butyrate is a fatty acid ester. — ChEBI

IUPAC name: prop-2-enyl butanoate

Molecular formula: C7H12O2
Molecular weight: 128.17 g/mol
Exact mass: 128.083729621 Da
XLogP3: 1.6
Topological polar surface area: 26.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Allyl butanoateAllyl n-butyrate2-Propenyl butanoateVinyl carbinyl butyrateButanoic acid, 2-propenyl esterBUTYRIC ACID, ALLYL ESTER2-Propen-1-yl butanoateprop-2-en-1-yl butanoate

16 more reported names

Allylester kyseliny maselneFEMA No. 2021UNII-DH3T4NN0KODH3T4NN0KOAllylester kyseliny maselne [Czech]EINECS 218-129-8NSC 18600BRN 1751642AI3-36006NSC-18600ALLYL BUTYRATE [FHFI]ALLYL BUTYRATE [USP-RS]4-02-00-00793 (Beilstein Handbook Reference)ALLYL BUTYRATE (USP-RS)RefChem:110861218-129-8

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:169062
ChEMBL:CHEMBL2229584
EPA DTXSID:DTXSID0047666
PubMed:12467140
PubMed:10764789
PubMed:8343148

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ALLYL BUTYRATE

INCI name

ALLYL BUTYRATE

Description

2-Propenyl Butanoate

Record provenance

Inventory reference: 41334
Imported identity: ALLYL BUTYRATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ALLYL BUTYRATE

Annex III Restriction reference

Entry 135

Allyl butyrate; 2-Propenyl Butanoate

CAS: 2051-78-7

EC: 218-129-8

Key data

CAS

2051-78-7

218-129-8

Restriction

III/135

Function

PERFUMING: Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

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

#1391 · ALLYL BUTYRATE

Ingredients with overlapping formulation functions

ALLO-OCIMENOLPERFUMING

ALLYL 2-METHYLBUTOXYACETATEPERFUMING

ALLYL 3,5,5-TRIMETHYLHEXANOATEPERFUMING

ALLYL ALPHA-IONONEPERFUMING

ALLYL CAPROATEASTRINGENT, FRAGRANCE, PERFUMING, SKIN CONDITIONING - EMOLLIENT

ALLYL CINNAMATEPERFUMING

ALLYL CYCLOHEXYLACETATEPERFUMING

ALLYL CYCLOHEXYLOXYACETATEPERFUMING

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 ALLYL BUTYRATE appears in the CosIng inventory

The CosIng inventory lists ALLYL BUTYRATE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ALLYL BUTYRATE 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

ALLYL BUTYRATE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for ALLYL BUTYRATE reads: "III/135". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, ALLYL BUTYRATE carries the following function designation(s):

PERFUMING

CAS 2051-78-7 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 ALLYL BUTYRATE

This page combines the CosIng inventory entry for ALLYL BUTYRATE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research ALLYL BUTYRATE 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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