3-Ethylhexahydro-3H-Benzofuran-2-One

Also known as: 3-Ethylhexahydro-1-benzofuran-2(3H)-one, 2(3H)-Benzofuranone, 3-ethylhexahydro-, 3-Ethyloctahydrobenzofuran-2-one, Tonka lactone, 3-ethylhexahydro-3H-benzofuranne-2-one (+4 more)

3-Ethylhexahydro-3H-Benzofuran-2-One (CAS 54491-17-7) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 54491-17-7 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C10H16O2
MW
168.23 g/mol
PubChem CID
108245
IUPAC Name
3-ethyl-3a,4,5,6,7,7a-hexahydro-3H-1-benzofuran-2-one
InChIKey
WUEULGLRESFOFL-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted; IFRA-governed

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 3-Ethylhexahydro-3H-Benzofuran-2-One.

Calculate MoS for your specific formulation with the MoS Calculator.

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HRIPT - 0 969 - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for 3-Ethylhexahydro-3H-Benzofuran-2-One.

Regulatory Flags

fragrance-component ifra_fragrance

Known Synonyms

3-Ethylhexahydro-1-benzofuran-2(3H)-one 2(3H)-Benzofuranone, 3-ethylhexahydro- 3-Ethyloctahydrobenzofuran-2-one Tonka lactone 3-ethylhexahydro-3H-benzofuranne-2-one 3-Ethylhexahydro-3H-benzofuran-2-on 3-etilhexahidro-3H-benzofuran-2-ona BENZOFURAN-2-ONE(3H), 3-ETHYLHEXAHYDRO- EINECS 259-185-3

Chemical Function

Fragrance

Regulatory Lists

IFRA Transparency consumer_product

Australian Status

AICIS status: listed

Frequently Asked Questions

Is 3-Ethylhexahydro-3H-Benzofuran-2-One safe in cosmetics?

3-Ethylhexahydro-3H-Benzofuran-2-One has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is 3-Ethylhexahydro-3H-Benzofuran-2-One allowed in the EU?

3-Ethylhexahydro-3H-Benzofuran-2-One EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-Ethylhexahydro-3H-Benzofuran-2-One do in cosmetics?

3-Ethylhexahydro-3H-Benzofuran-2-One functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 54491-17-7.

Is 3-Ethylhexahydro-3H-Benzofuran-2-One used outside cosmetics?

3-Ethylhexahydro-3H-Benzofuran-2-One also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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