Is 3,4-Dihydro-5-Methylnaphthalenone safe in cosmetics?
3,4-Dihydro-5-Methylnaphthalenone has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
3,4-Dihydro-5-Methylnaphthalenone
Also known as: 5-Methyl-1-tetralone, 1(2H)-Naphthalenone, 3,4-dihydro-5-methyl-, EINECS 230-073-6, NSC 57011
INCI: 3,4-DIHYDRO-5-METHYLNAPHTHALENONE
3,4-Dihydro-5-Methylnaphthalenone (CAS 6939-35-1) 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 industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 6939-35-1 →
Auto-generated CPSR Part A draft with source citations
Function
Perfuming
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
5-methyl-3,4-dihydro-2H-naphthalen-1-one
InChIKey
ZYBCYRGGMARDQI-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not restricted by FDA
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 3,4-Dihydro-5-Methylnaphthalenone.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for 3,4-Dihydro-5-Methylnaphthalenone.
Regulatory Flags
fragrance-component
ifra_fragrance
Known Synonyms
5-Methyl-1-tetralone
1(2H)-Naphthalenone, 3,4-dihydro-5-methyl-
EINECS 230-073-6
NSC 57011
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL1879817
Frequently Asked Questions
Is 3,4-Dihydro-5-Methylnaphthalenone allowed in the EU?
3,4-Dihydro-5-Methylnaphthalenone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 3,4-Dihydro-5-Methylnaphthalenone do in cosmetics?
3,4-Dihydro-5-Methylnaphthalenone functions as: Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 6939-35-1.
Is 3,4-Dihydro-5-Methylnaphthalenone used outside cosmetics?
3,4-Dihydro-5-Methylnaphthalenone also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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