C16H26O
234.38 g/mol
Flavor & FragranceWarning
1-(2,3,8,8-tetramethyl-1,2,3,5,6,7,8,8a-octahydronaphthalen-2-yl)ethanone
CAS68155-66-8EC268-978-3
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
fragrance ingredient
Tetramethyl acetyloctahydronaphthalenes (OTNE) is a synthetic ketone fragrance widely recognized for its woody odor. It is considered one of the most successful synthetic fragrances ever created and is used as a key ingredient in perfumes, laundry products, and cosmetics.
fragrance ingredient in perfumesfragrance ingredient in laundry productsfragrance ingredient 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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ReferenceSame Category
1-(2,3,8,8-tetramethyl-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-yl)ethanone
CAS68155-67-9
synthetic woody fragrance ingredient
ReferenceSame Category
Vanillin propylene glycol acetal
CAS68527-74-2
vanillin propylene glycol acetal
ReferenceSame Category
Ethyl vanillin propylene glycol acetal
CAS68527-76-4
Flavor and fragrance acetal
ReferenceSame Category
(S)-3,7-Dimethyloctan-1-ol
CAS68680-98-8
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 1-(2,3,8,8-tetramethyl-1,2,3,5,6,7,8,8a-octahydronaphthalen-2-yl)ethanone (CAS 68155-66-8) 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-1,3,5,6,7,8a-hexahydronaphthalen-2-yl)ethanone
InChIKey
NOMWSTMYQKABST-UHFFFAOYSA-N
SMILES
CC1C=C2CCCC(C2CC1(C)C(=O)C)(C)C
Synonyms (10)
- Ambralux
- IsoE super
- PATCHOULI ETHANONE
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