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.

View industrial chemical safety profile for CAS 5697-02-9 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing; colours the hair
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
454-690-7

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

Expert Verdict

Expert safety assessment and concern-level summary for 1-Acetoxy-2-Methylnaphthalene.

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_vision_codex

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 safe in cosmetics?

1-Acetoxy-2-Methylnaphthalene has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.

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.

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