NOAEL Data REACH Registered Cosmetic Ingredient

1,7-Dioxacycloheptadecan-8-one

Also known as: 11-oxahexadecan-16-olide, Decanoic acid, 10-((5-hydroxypentyl)oxy)-, o-lactone, EINECS 222-225-5, 16-Hydroxy-11-oxahexadecanoic acid, omega-lactone, 11-Oxahexadecanolide

CAS 3391-83-1

1,7-Dioxacycloheptadecan-8-one (CAS 3391-83-1) is a chemical substance. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for MUSK R1 →

SOURCE NOAEL studies
NOAEL studies
4
SOURCE Chemical inventory jurisdictions
Regulatory lists
2
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
1,7-Dioxacycloheptadecan-8-one
CAS Number
3391-83-1
Molecular Formula
C15H28O3
InChI Key
MKEIDVFLAWJKMY-UHFFFAOYSA-N
Monoisotopic Mass
256.203845
Synonyms
11-oxahexadecan-16-olideDecanoic acid, 10-((5-hydroxypentyl)oxy)-, o-lactoneEINECS 222-225-516-Hydroxy-11-oxahexadecanoic acid, omega-lactone11-Oxahexadecanolide

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
Fragrance

Regulatory Lists

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

SOURCE EPA CPDat 2 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
0%Incidence of positive responsesDermalHumanNTP ICE skin sensitization
6750ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
>5000mg/kg bwLD50oralRatNTP ICE acute oral
3unitlessRelative reliability scoreDermalHumanNTP ICE skin sensitization

Showing 4 of 4 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered11-oxahexadecan-16-olide222-225-5ECHA 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 →

Frequently Asked Questions

What is the NOAEL for 1,7-Dioxacycloheptadecan-8-one?

1,7-Dioxacycloheptadecan-8-one has 4 NOAEL studies in the database. The lowest reported value is 0 % via Dermal in Human. Source: NTP ICE skin sensitization.

What regulatory lists include 1,7-Dioxacycloheptadecan-8-one?

1,7-Dioxacycloheptadecan-8-one appears on 2 regulatory/inventory lists including IFRA Transparency, consumer_product. Source: EPA CPDat.

Is 1,7-Dioxacycloheptadecan-8-one used in cosmetics?

Yes, 1,7-Dioxacycloheptadecan-8-one is also indexed as a cosmetic ingredient under the name MUSK R1. 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 1,7-Dioxacycloheptadecan-8-one come from?

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

Is 1,7-Dioxacycloheptadecan-8-one used outside industrial chemicals?

1,7-Dioxacycloheptadecan-8-one also appears in cosmetics databases.