NOAEL Data Cosmetic Ingredient

6-Methyloxan-2-one

CAS 823-22-3

6-Methyloxan-2-one (CAS 823-22-3) is a chemical substance. Key regulatory status: 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Delta-Hexalactone →

SOURCE NOAEL studies
NOAEL studies
9
SOURCE Chemical inventory jurisdictions
Regulatory lists
3
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 6 fields
Name
6-Methyloxan-2-one
CAS Number
823-22-3
DTXSID
DTXSID30862431
Molecular Formula
C6H10O2
InChI Key
RZTOWFMDBDPERY-UHFFFAOYSA-N
Monoisotopic Mass
114.06808

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 4 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 3 records
ListKeywordSource
EuropeEuropean CommissionFl@vis
IFRA TransparencyIFRAIFRA
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 9 of 9 studies
ValueUnitEndpointRouteSpeciesSource
5%Concentration, 5% incidence of positive responsesDermalHumanNTP ICE skin sensitization
C8456O4551UNIIFDA UNII substance identifier--openFDA substances
C8456O4551UNIIFDA UNII substance identifier--openFDA substances
C8456O4551UNIIFDA UNII substance identifier--openFDA substances
C8456O4551UNIIFDA UNII substance identifier--openFDA substances
4%Incidence of positive responsesDermalHumanNTP ICE skin sensitization
2700ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
3375ug/cm2Induction dose per skin area, 5% incidence of positive responsesDermalHumanNTP ICE skin sensitization
3unitlessRelative reliability scoreDermalHumanNTP ICE skin sensitization

Showing 9 of 9 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 →

Frequently Asked Questions

What is the NOAEL for 6-Methyloxan-2-one?

6-Methyloxan-2-one has 9 NOAEL studies in the database. The lowest reported value is 5 % via Dermal in Human. Source: NTP ICE skin sensitization.

What regulatory lists include 6-Methyloxan-2-one?

6-Methyloxan-2-one appears on 3 regulatory/inventory lists including Europe, IFRA Transparency, food_additive; Substances Added to Food (formerly EAFUS) (2/2019). Source: EPA CPDat.

Is 6-Methyloxan-2-one used in cosmetics?

Yes, 6-Methyloxan-2-one is also indexed as a cosmetic ingredient under the name Delta-Hexalactone. 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 6-Methyloxan-2-one come from?

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

Is 6-Methyloxan-2-one used outside industrial chemicals?

6-Methyloxan-2-one also appears in cosmetics databases.