C16H26O
234.38 g/mol
Flavor & FragranceWarning
Ethanone, 1-(1,2,3,4,6,7,8,8a-octahydro-2,3,8,8-tetramethyl-2-naphthalenyl)-
CAS68155-67-9EC268-979-9
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
synthetic woody fragrance ingredient
Tetramethyl acetyloctahydronaphthalenes (OTNE) is a synthetic ketone fragrance widely recognized as a woody odorant. It is a key ingredient in perfumery and has been described as the most successful synthetic fragrance ever.
fragrance in perfumesfragrance in laundry productsfragrance in cosmetics
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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vanillin propylene glycol acetal
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Fragrance ingredient in consumer products
Referencesame scaffold
1-(2,3,8,8-tetramethyl-1,2,3,5,6,7,8,8a-octahydronaphthalen-2-yl)ethanone
CAS68155-66-8
fragrance ingredient
Referencesame scaffold
Valerianol
CAS20489-45-6
pharmaceutical raw material
Referencesame scaffold
1,2,3,4,4a,5,6,7-Octahydro-2,5,5-trimethyl-2-naphthol
CAS41199-19-3
fragrance ingredient
Referencesame scaffold
Valencene
CAS4630-07-3
citrus flavor and fragrance ingredient
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Ethanone, 1-(1,2,3,4,6,7,8,8a-octahydro-2,3,8,8-tetramethyl-2-naphthalenyl)- (CAS 68155-67-9) is 2914.29.
HS code (international, 6-digit)
2914.29
EU CN code (8-digit)
2914 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-(2,3,8,8-tetramethyl-1,3,4,6,7,8a-hexahydronaphthalen-2-yl)ethanone
InChIKey
YLWIXGWLTDBBHL-UHFFFAOYSA-N
SMILES
CC1CC2=CCCC(C2CC1(C)C(=O)C)(C)C
Synonyms (5)
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