NOAEL Data Cosmetic Ingredient

1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone

Also known as: alpha-Damascone, FEMA No. 3659, 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one, 4-(2,6,6-Trimethyl-2-cyclohexenyl)-2-buten-4-one, UNII-UP5JTZ982I

CAS 43052-87-5

1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone (CAS 43052-87-5) is a chemical substance. Key regulatory status: 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Alpha-Damascone →

SOURCE NOAEL studies
NOAEL studies
8
SOURCE Chemical inventory jurisdictions
Regulatory lists
4
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
1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone
CAS Number
43052-87-5
Molecular Formula
C13H20O
InChI Key
CRIGTVCBMUKRSL-UHFFFAOYSA-N
Monoisotopic Mass
192.151415
Synonyms
alpha-DamasconeFEMA No. 36591-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one4-(2,6,6-Trimethyl-2-cyclohexenyl)-2-buten-4-oneUNII-UP5JTZ982I

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 9 records
FragranceDeodorizerFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 4 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 8 of 8 studies
ValueUnitEndpointRouteSpeciesSource
UP5JTZ982IUNIIFDA UNII substance identifier--openFDA substances
0%Incidence of positive responsesDermalHumanNTP ICE skin sensitization
133ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
135ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
500ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
=50mg/kg bw/dayLELoralChickenEFSA
3unitlessRelative reliability scoreDermalHumanNTP ICE skin sensitization
4unitlessRelative reliability scoreDermalHumanNTP ICE skin sensitization

Showing 8 of 8 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
restricted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA 1 records

ADI: No safety concern at current levels of intake when used as a flavouring agen mg/kg bw

View full food safety profile →

Cannabis Data

Same-CAS cannabis compliance and lab records where available.

SOURCE Cannabis regulatory / lab data efsa substances

1 cannabis record found in efsa substances.

View full cannabis profile →

Frequently Asked Questions

What is the NOAEL for 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone?

1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone has 8 NOAEL studies in the database. The lowest reported value is UP5JTZ982I UNII. Source: openFDA substances.

What regulatory lists include 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone?

1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone appears on 4 regulatory/inventory lists including IFRA Transparency, Europe, food_additive; Substances Added to Food (formerly EAFUS) (2/2019), and 1 more. Source: EPA CPDat.

Is 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone used in cosmetics?

Yes, 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone is also indexed as a cosmetic ingredient under the name Alpha-Damascone. 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 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone come from?

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

Is 1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone used outside industrial chemicals?

1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-butenone also appears in cosmetics, food safety, cannabis databases.