NOAEL Data Cosmetic Ingredient

3,4-Dihydro-5-methylnaphthalen-1(2H)-one

Also known as: 5-Methyl-1-tetralone, 1(2H)-Naphthalenone, 3,4-dihydro-5-methyl-, EINECS 230-073-6, NSC 57011

CAS 6939-35-1

3,4-Dihydro-5-methylnaphthalen-1(2H)-one (CAS 6939-35-1) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for 3,4-Dihydro-5-Methylnaphthalenone →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
1
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 10 fields
Name
3,4-Dihydro-5-methylnaphthalen-1(2H)-one
CAS Number
6939-35-1
DTXSID
DTXSID3052438
Molecular Formula
C11H12O
InChI Key
ZYBCYRGGMARDQI-UHFFFAOYSA-N
Monoisotopic Mass
160.088815
Synonyms
5-Methyl-1-tetralone1(2H)-Naphthalenone, 3,4-dihydro-5-methyl-EINECS 230-073-6NSC 57011

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Fragrance

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records
ListKeywordSource
IFRA TransparencyIFRAIFRA

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
A481GK7DJQUNIIFDA UNII substance identifier--openFDA substances
A481GK7DJQUNIIFDA UNII substance identifier--openFDA substances
A481GK7DJQUNIIFDA UNII substance identifier--openFDA substances
A481GK7DJQUNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL CHEMBL1879817
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for 3,4-Dihydro-5-methylnaphthalen-1(2H)-one?

3,4-Dihydro-5-methylnaphthalen-1(2H)-one has 4 NOAEL studies in the database. The lowest reported value is A481GK7DJQ UNII. Source: openFDA substances.

What regulatory lists include 3,4-Dihydro-5-methylnaphthalen-1(2H)-one?

3,4-Dihydro-5-methylnaphthalen-1(2H)-one appears on 1 regulatory/inventory list including IFRA Transparency. Source: EPA CPDat.

Is 3,4-Dihydro-5-methylnaphthalen-1(2H)-one used in cosmetics?

Yes, 3,4-Dihydro-5-methylnaphthalen-1(2H)-one is also indexed as a cosmetic ingredient under the name 3,4-Dihydro-5-Methylnaphthalenone. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 3,4-Dihydro-5-methylnaphthalen-1(2H)-one come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.

Is 3,4-Dihydro-5-methylnaphthalen-1(2H)-one used outside industrial chemicals?

3,4-Dihydro-5-methylnaphthalen-1(2H)-one also appears in cosmetics, pharmaceutical databases.