REACH Registered Cosmetic Ingredient

Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one

Also known as: 2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2R,4aR,8aS)-rel-, 2H-2α,4aα-Methanonaphthalen-8(5H)-one, 1,3,4,6,7,8aβ-hexahydro-1,1,5,5-tetramethyl-, 2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2α,4aα,8β)-

CAS 29461-13-0

Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one (CAS 29461-13-0) is a chemical substance. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Hexahydro-tetramethylmethanonaphthalen-8-one (Cedranone) →

SOURCE NOAEL studies
NOAEL studies
0
SOURCE Chemical inventory jurisdictions
Regulatory lists
1
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 8 fields
Name
Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one
CAS Number
29461-13-0
Molecular Formula
C15H24O
InChI Key
VCOCESNMLNDPLX-STXAPXNINA-N
Monoisotopic Mass
220.182715393
Synonyms
2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2R,4aR,8aS)-rel-2H-2α,4aα-Methanonaphthalen-8(5H)-one, 1,3,4,6,7,8aβ-hexahydro-1,1,5,5-tetramethyl-2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2α,4aα,8β)-

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Fragrance

Regulatory Lists

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

SOURCE EPA CPDat 1 records
ListKeywordSource
IFRA TransparencyINTLhttps://ifrafragrance.org/initiatives/transparency/ifra-transparency-list

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered(2α,4aα,8β)-hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one249-648-8ECHA 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 regulatory lists include Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one?

Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one appears on 1 regulatory/inventory list including IFRA Transparency. Source: EPA CPDat.

Is Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one used in cosmetics?

Yes, Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one is also indexed as a cosmetic ingredient under the name Hexahydro-tetramethylmethanonaphthalen-8-one (Cedranone). 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 Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one come from?

Safety data is sourced from 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 Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one used outside industrial chemicals?

Rel-(2R,4aR,8aS)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one also appears in cosmetics databases.