Is 1-Acetoxy-2-Methylnaphthalene safe in cosmetics?
1-Acetoxy-2-Methylnaphthalene has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.
GOOD
Cosmetic Ingredient
1-Acetoxy-2-Methylnaphthalene
Also known as: UNII-6I1S02A5B9, 1-Naphthalenol, 2-methyl-, 1-acetate, 1-Naphthalenol, 2-methyl-, acetate, 1-Naphthol, 2-methyl-, acetate, 2-Methyl-1-naphthol acetate (+1 more)
INCI: 1-ACETOXY-2-METHYLNAPHTHALENE
1-Acetoxy-2-Methylnaphthalene (CAS 5697-02-9) is a cosmetic cosmetic ingredient functioning as Hair dyeing; colours the hair. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
Function
Hair dyeing; colours the hair
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Not specifically listed by FDA as a restricted or prohibited colorant; manufacturers bear responsibility for safety substantiation
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-Acetoxy-2-Methylnaphthalene.
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
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (III - Restricted)
Product type: Hair dye substance in oxidative hair dye products.
BRIN Brazil/India Cosmetics
India: Restricted
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (1)
EU CosIng Cosmetics Ingredient Database
Editorial summary
Preliminary editorial summary for 1-Acetoxy-2-Methylnaphthalene — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
eu_cosing_listed
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to 1-Acetoxy-2-Methylnaphthalene by CAS number or substance name.
Studies
24
Lowest NOAEL
0.07
Highest NOAEL
500
Units vary across source rows: mg/kg bw/day, mg/kg bw
SCCS Opinion
Known Synonyms
UNII-6I1S02A5B9
1-Naphthalenol, 2-methyl-, 1-acetate
1-Naphthalenol, 2-methyl-, acetate
1-Naphthol, 2-methyl-, acetate
2-Methyl-1-naphthol acetate
2-Methyl-1-naphthyl acetate
Chemical Function
Dye
Regulatory Lists
Europe; Personal care; restricted
Frequently Asked Questions
Is 1-Acetoxy-2-Methylnaphthalene allowed in the EU?
1-Acetoxy-2-Methylnaphthalene EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does 1-Acetoxy-2-Methylnaphthalene do in cosmetics?
1-Acetoxy-2-Methylnaphthalene functions as: Hair dyeing; colours the hair. It is classified as a cosmetic ingredient in our database. CAS number: 5697-02-9.
Is 1-Acetoxy-2-Methylnaphthalene used outside cosmetics?
1-Acetoxy-2-Methylnaphthalene 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-Acetoxy-2-Methylnaphthalene compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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