Is 1-Acetonaphthone safe in cosmetics?
1-Acetonaphthone has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
1-Acetonaphthone
Also known as: 1-(Naphthalen-1-yl)ethanone, 1-(Naphthalen-1-yl)ethan-1-one, 1-(Naphthalen-4-yl)ethanone, 1'-acetonaphthone, alpha-Methyl naphthyl ketone (+8 more)
INCI: 1-ACETONAPHTHONE
1-Acetonaphthone (CAS 941-98-0) is a cosmetic cosmetic ingredient functioning as Perfuming (fragrance ingredient with sweet neroli/orange blossom odor). 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 941-98-0 →
Auto-generated CPSR Part A draft with source citations
Function
Perfuming (fragrance ingredient with sweet neroli/orange blossom odor)
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically restricted by FDA; permitted for use in cosmetics under manufacturer responsibility; listed in the FDA GINAS substance database
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 1-Acetonaphthone.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
2 human repeat insult patch tests aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HRIPT | 108 | 0 | 2598 | 2598 | non-sensitizer |
| HMT | - | 0 | 1350 | - | - |
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
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Deodorizer
Flavouring and nutrient
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List
Consumer Product Chemical
Expert Verdict
Expert safety assessment and concern-level summary for 1-Acetonaphthone.
Regulatory Flags
potential-allergen
fragrance-component
ifra_fragrance
Known Synonyms
1-(Naphthalen-1-yl)ethanone
1-(Naphthalen-1-yl)ethan-1-one
1-(Naphthalen-4-yl)ethanone
1'-acetonaphthone
alpha-Methyl naphthyl ketone
4-07-00-01292
alpha-Acetonaphthone
alpha-Acetylnaphthalene
BRN 1100618
EINECS 213-384-1
Methyl alpha-naphthyl ketone
alpha-Naphthyl methyl ketone
UNII-U44R403XVS
Chemical Function
Deodorizer
Fragrance
Flavouring and nutrient
Regulatory Lists
IFRA Transparency
consumer_product
detected; Europe; Vehicle - car interior
air; detected; emissions; Europe; Vehicle - car interior
air; detected; emissions; Europe; Vehicle - car interior
Europe
Australian Status
AICIS status: listed
Frequently Asked Questions
Is 1-Acetonaphthone allowed in the EU?
1-Acetonaphthone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 1-Acetonaphthone do in cosmetics?
1-Acetonaphthone functions as: Perfuming (fragrance ingredient with sweet neroli/orange blossom odor). It is classified as a cosmetic ingredient in our database. CAS number: 941-98-0.
Is 1-Acetonaphthone used outside cosmetics?
1-Acetonaphthone also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check 1-Acetonaphthone compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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