Cosmetic Ingredient

5,6-beta-Ionone epoxide

Also known as: 4-(2,2,6-Trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-3-buten-2-one, 3-​Buten-​2-​one, 4-​(2,​2,​6-​trimethyl-​7-​oxabicyclo[4.1.0]​hept-​1-​yl)​-, 7-Oxabicyclo[4.1.0]heptane, 3-buten-2-one deriv., 4-(1,2-Oxido-2,6,6-trimethylcyclohexyl)-3-buten-2-one, 4-(2,6,6-Trimethyl-1,2-epoxycyclohexyl)-3-buten-2-one (+13 more)

CAS 23267-57-4

5,6-beta-Ionone epoxide (CAS 23267-57-4) is a chemical substance. Key regulatory status: 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS.

View cosmetic safety profile for Trimethyl-7-oxabicycloheptyl)-3-buten-2-one →

SOURCE noael studies public
NOAEL studies
0
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 24 fields
Name
5,6-beta-Ionone epoxide
CAS Number
23267-57-4
DTXSID
DTXSID8051885
Molecular Formula
C13H20O2
InChI Key
ZTJZJYUGOJYHCU-UHFFFAOYSA-N
Monoisotopic Mass
208.14633
Synonyms
4-(2,2,6-Trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-3-buten-2-one3-​Buten-​2-​one, 4-​(2,​2,​6-​trimethyl-​7-​oxabicyclo[4.1.0]​hept-​1-​yl)​-7-Oxabicyclo[4.1.0]heptane, 3-buten-2-one deriv.4-(1,2-Oxido-2,6,6-trimethylcyclohexyl)-3-buten-2-one4-(2,6,6-Trimethyl-1,2-epoxycyclohexyl)-3-buten-2-one5,6-Epoxy-β-iononeβ-Ionone 5,6-epoxideβ-Ionone epoxide3-Buten-2-one, 4-[2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl]-4-(2,2,6-Trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)but-3-en-2-one4-(2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-3-butene-2-one4-(2,2,6-Trimethyl-7-oxabicyclo[4.1.0]hept-1-yl)-3-buten-2-on

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

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 →

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 →

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 regulatory lists include 5,6-beta-Ionone epoxide?

5,6-beta-Ionone epoxide appears on 3 regulatory/inventory lists including IFRA Transparency, Europe, food_additive; Substances Added to Food (formerly EAFUS) (2/2019). Source: EPA CPDat.

Is 5,6-beta-Ionone epoxide used in cosmetics?

Yes, 5,6-beta-Ionone epoxide is also indexed as a cosmetic ingredient under the name Trimethyl-7-oxabicycloheptyl)-3-buten-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 5,6-beta-Ionone epoxide come from?

Safety data is sourced from 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 5,6-beta-Ionone epoxide used outside industrial chemicals?

5,6-beta-Ionone epoxide also appears in cosmetics, food safety, cannabis databases.