What is the NOAEL for 5-Hexen-2-one?
5-Hexen-2-one has 4 NOAEL studies in the database. The lowest reported value is XWM6RL9YEI UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
5-Hexen-2-one
Also known as: Allylacetone, EINECS 203-675-1, 5-Hexene-2-one, 1-Hexen-5-one, NSC 6973 (+1 more)
CAS 109-49-9
5-Hexen-2-one (CAS 109-49-9) is a chemical substance. Key regulatory status: 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.
SOURCE
noael studies public
NOAEL studies
4
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
12 fields
Name
5-Hexen-2-one
CAS Number
109-49-9
DTXSID
DTXSID0059372
Molecular Formula
C6H10O
InChI Key
RNDVGJZUHCKENF-UHFFFAOYSA-N
Monoisotopic Mass
98.073165
Synonyms
AllylacetoneEINECS 203-675-15-Hexene-2-one1-Hexen-5-oneNSC 6973UNII-XWM6RL9YEI
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
4 records
| List | Keyword | Source |
|---|---|---|
| IFRA Transparency | IFRA | IFRA |
| consumer_product | P&G | Proctor & Gamble |
| detected; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
| Europe | European Commission | Fl@vis |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| XWM6RL9YEI | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| XWM6RL9YEI | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| XWM6RL9YEI | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| XWM6RL9YEI | UNII | FDA 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
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-Hexen-2-one?
5-Hexen-2-one appears on 4 regulatory/inventory lists including IFRA Transparency, consumer_product, detected; Europe; Toys and children's products, and 1 more. Source: EPA CPDat.
Is 5-Hexen-2-one used in cosmetics?
Yes, 5-Hexen-2-one is also indexed as a cosmetic ingredient under the name 5-Hexen-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-Hexen-2-one come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Is 5-Hexen-2-one used outside industrial chemicals?
5-Hexen-2-one also appears in cosmetics, cannabis databases.