2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One

INCI: 2-ETHYL-4-HYDROXY-5-METHYLFURAN-3(2H)-ONE

2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One (CAS 27538-10-9) is a cosmetic cosmetic ingredient functioning as Perfuming (caramel/sweet notes; also known as Homofuronol isomer). 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 27538-10-9 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming (caramel/sweet notes; also known as Homofuronol isomer)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C7H10O3
MW
142.15 g/mol
EC Number
248-514-6
PubChem CID
33931
IUPAC Name
2-ethyl-4-hydroxy-5-methylfuran-3-one
InChIKey
GWCRPYGYVRXVLI-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not individually restricted

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Regulatory (1)
JECFA Evaluation
HOMOFURANEOL | 2004 | No safety concern at current levels of intake when used as a flavouring agent | TRS 928-JECFA 63/106 | FAS 54-JECFA 63/487
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance
Regulatory List Membership (3)
IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One.

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

food_additive; Substances Added to Food (formerly EAFUS) (2/2019) IFRA Transparency consumer_product

Australian Status

AICIS status: listed

Frequently Asked Questions

Is 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One safe in cosmetics?

2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One allowed in the EU?

2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One do in cosmetics?

2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One functions as: Perfuming (caramel/sweet notes; also known as Homofuronol isomer). It is classified as a cosmetic ingredient in our database. CAS number: 27538-10-9.

Is 2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-One used outside cosmetics?

2-Ethyl-4-Hydroxy-5-Methylfuran-3(2H)-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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