Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
InventoryRef 3922702/03/2011

BENZYL ISOBUTYRATE

Benzyl 2-Methylpropanoate

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

INCI CheckerCompare all markets Search similar

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.

Markets and their official sourcesSearch every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 103-28-6
CAS 103-28-6PubChem CID 7646

Benzyl isobutyrate

Phenylmethyl 2-methylpropanoate is a carboxylic ester. It is functionally related to a benzyl alcohol. — ChEBI

IUPAC name
benzyl 2-methylpropanoate
Molecular formula
C11H14O2
Molecular weight
178.23 g/mol
Exact mass
178.099379685 Da
XLogP3
3.0
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Phenylmethyl 2-methylpropanoateBenzyl isobutanoatePropanoic acid, 2-methyl-, phenylmethyl esterISOBUTYRIC ACID, BENZYL ESTERBenzyl 2-methylpropionateBenzyl 2-methyl propionateBenzylester kyseliny isomaselneFEMA No. 2141
16 more reported names
P98PE45V9MNSC-46112NSC-406201WLN: 1Y1 & VO1RBenzyl isobutyrate (natural)EINECS 203-095-9NSC 406201Benzylester kyseliny isomaselne [Czech]BRN 1869299UNII-P98PE45V9MIsobutyric Acid Benzyl EsterAI3-02944Benzyl iso-butyrateIsobutyric acid-benzyl esterBenzyl 2-methylpropanoate #BENZYL ISOBUTYRATE [FCC]
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

EMBL-EBI ChEBI
Exact identifier matchCHEBI:173823

Phenylmethyl 2-methylpropanoate

Formula
C11H14O2
Average mass
178.231 g/mol
Monoisotopic mass
178.09938 Da
Formal charge
0
  • carboxylic ester — is a (CHEBI:33308)
  • benzyl alcohol — has functional parent (CHEBI:17987)
  • carboxylic ester — is a (CHEBI:33308)
Additional curated names
benzyl 2-methylpropanoate
Cross-references from this source

Mapped by: Exact CAS cross-reference in the ChEBI compound record. Retrieved: 2026-08-31. Open source record

NIH PubChem PUG-View
Exact identifier match7646

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 96% (1604 of 1670) of all reports. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 1604 of 1670 companies (only 4% companies provided GHS information). For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1670 reports by companies from 3 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 1604 of 1670 reports by companies.; There are 2 notifications provided by 66 of 1670 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBIExact match2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 BENZYL ISOBUTYRATE

INCI name

BENZYL ISOBUTYRATE

Description

Benzyl 2-Methylpropanoate

Record provenance

Inventory reference
39227
Imported identity
BENZYL ISOBUTYRATE
Source update
02/03/2011
European Commission CosIng source notes
Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search

Search annex entries

Search the annex database for entries matching BENZYL ISOBUTYRATE or related substances.

Key data

CAS
103-28-6
EC
203-095-9
Restriction
—
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.

#3252 · BENZYL ISOBUTYRATE

Ingredients with overlapping formulation functions

BENZYL BUTYRATEPERFUMING
BENZYL CINNAMATEPERFUMING
BENZYL FORMATEPERFUMING
BENZYL ISOAMYL ETHERPERFUMING
BENZYL ISOEUGENOLPERFUMING
BENZYL ISOVALERATEPERFUMING
BENZYL METHYL ETHERPERFUMING
BENZYL OCTANOATEPERFUMING

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How BENZYL ISOBUTYRATE appears in the CosIng inventory

The CosIng inventory lists BENZYL ISOBUTYRATE 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.

BENZYL ISOBUTYRATE 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

BENZYL ISOBUTYRATE 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, BENZYL ISOBUTYRATE carries the following function designation(s):

CAS 103-28-6 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.
View CAS records

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

Source note for BENZYL ISOBUTYRATE

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

View sourcesView updates

Tools & next steps

Check your formula

Scan a full INCI list to detect BENZYL ISOBUTYRATE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to BENZYL ISOBUTYRATE, its identifiers or nearby name variants.

Search