Is METHYLCYCLOPENTENOLONE safe in cosmetics?
METHYLCYCLOPENTENOLONE has a safety rating of "GOOD" in our database. EU status: permitted.
Good
Cosmetic Ingredient
METHYLCYCLOPENTENOLONE
METHYLCYCLOPENTENOLONE (CAS 80-71-7) is a cosmetic cosmetic ingredient functioning as Perfuming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 80-71-7 →
Auto-generated CPSR Part A draft with source citations
Chemistry & Identifiers
IUPAC Name
2-hydroxy-3-methylcyclopent-2-en-1-one
InChIKey
CFAKWWQIUFSQFU-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Expert Verdict
Expert safety assessment and concern-level summary for METHYLCYCLOPENTENOLONE.
Regulatory Flags
cosing-sourced
eu-permitted
fragrance
needs-enrichment
ifra_fragrance
jecfa_safe
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA count match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Adverse Event Associations
101
Frequently Asked Questions
Is METHYLCYCLOPENTENOLONE allowed in the EU?
METHYLCYCLOPENTENOLONE EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does METHYLCYCLOPENTENOLONE do in cosmetics?
METHYLCYCLOPENTENOLONE functions as: Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 80-71-7.
Is METHYLCYCLOPENTENOLONE used outside cosmetics?
METHYLCYCLOPENTENOLONE also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check METHYLCYCLOPENTENOLONE compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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