NOAEL Data REACH Registered Cosmetic Ingredient

Dihydro-beta-ionone

Also known as: 2-Butanone, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)butan-2-one, EINECS 241-318-1, FEMA No. 3626, 4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-2-butanone (+11 more)

CAS 17283-81-7

Dihydro-beta-ionone (CAS 17283-81-7) is a chemical substance. Key regulatory status: REACH registered, 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Trimethyl-1-Cyclohexenylbutan-2-one →

SOURCE noael studies public
NOAEL studies
4
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 22 fields
Name
Dihydro-beta-ionone
CAS Number
17283-81-7
DTXSID
DTXSID4047200
Molecular Formula
C13H22O
InChI Key
QJJDNZGPQDGNDX-UHFFFAOYSA-N
Monoisotopic Mass
194.167065
Synonyms
2-Butanone, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)butan-2-oneEINECS 241-318-1FEMA No. 36264-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-2-butanoneUNII-710YK6CESE4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-2-butanone, 9CI4-(2,6,6-Trimethyl-1-cyclohexenyl)-2-butanone4-(2,6,6-Trimethylcyclohex-1-en-1-yl)butan-2-one5-Megastigmen-9-one7,8-Dehydro-beta-ionone7,8-dihydro-beta-ionone

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 26 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 3 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis
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 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
710YK6CESEUNIIFDA UNII substance identifier--openFDA substances
710YK6CESEUNIIFDA UNII substance identifier--openFDA substances
710YK6CESEUNIIFDA UNII substance identifier--openFDA substances
710YK6CESEUNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered4-(2,6,6-trimethyl-1-cyclohexen-1-yl)butan-2-one241-318-1ECHA overview →

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 CHEMBL3188345
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Food Safety Data

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

SOURCE EFSA / FDA GRAS 1 records

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

View full food safety profile →

Frequently Asked Questions

What is the NOAEL for Dihydro-beta-ionone?

Dihydro-beta-ionone has 4 NOAEL studies in the database. The lowest reported value is 710YK6CESE UNII. Source: openFDA substances.

What regulatory lists include Dihydro-beta-ionone?

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

Is Dihydro-beta-ionone used in cosmetics?

Yes, Dihydro-beta-ionone is also indexed as a cosmetic ingredient under the name Trimethyl-1-Cyclohexenylbutan-2-one. 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 Dihydro-beta-ionone come from?

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

Is Dihydro-beta-ionone used outside industrial chemicals?

Dihydro-beta-ionone also appears in cosmetics, pharmaceutical, food safety databases.