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General Material Information

Preferred name versalide
Trivial Name 7-Acetyl-6-ethyl-1,1,4,4-tetramethyltetralin
Short Description ethanone, 1- (3-ethyl-5,6,7,8-tetrahydro-5,5,8, 8-tetramethyl-2-naphthalenyl)-
Formula C18 H26 O
CAS Number 88-29-9
ECHA Number 201-817-7
FDA UNII BM2DT9GHFQ
Nikkaji Number J4.291I
Beilstein Number 2126062
xLogP3-AA 5.50 (est)
Bio Activity Summary External link
NMR Predictor External link
Synonyms
  • 2'- acetonaphthone, 3'-ethyl-5',6',7', 8'-tetrahydro-5',5',8',8'-tetramethyl-
  • 2'- acetonaphthone, 3'-ethyl-5',6',7',8'-tetrahydro-5',5',8',8'-tetramethyl-
  • acetyl ethyl tetramethyl tetralin
  • 6-acetyl-1,1,4,4-tetramethyl-7-ethyl-1,2,3,4-tetralin
  • 7-acetyl-6-ethyl-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene
  • 7-acetyl-6-ethyl-1,1,4,4-tetramethyltetralin
  • 7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethyl naphthalene
  • 7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene
  • acetylethyltetramethyltetralin
  • AETT
  • ethanone, 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8, 8-tetramethyl-2-naphthalenyl)-
  • ethanone, 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-
  • 1-(3-ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthalenyl)ethanone
  • 1-(3-ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ethanone
  • 1-(3-ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethanone
  • 1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethanone
  • 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) ethanone
  • 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-ethanone
  • 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)ethanone
  • 3'- ethyl-5',6',7', 8'-tetrahydro-5',5',8',8',-tetramethyl-2'-acetonaphthone
  • 3'- ethyl-5',6',7',8'-tetrahydro-5',5',8',8'-tetramethyl-2'-acetonaphthone
  • musk 36A
  • 1,1,4,4-tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydronaphthalene
  • 1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethanone
  • 2′-Acetonaphthone, 3′-ethyl-5′,6′,7′,8′-tetrahydro-5′,5′,8′,8′-tetramethyl-
  • 1-(3-Ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)ethanone
  • 3′-Ethyl-5′,6′,7′,8′-tetrahydro-5′,5′,8′,8′-tetramethyl-2′-acetonaphthone
  • 1,1,4,4-Tetramethyl-6-ethyl-7-acetyltetralin
  • 7-Acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene
  • 7-Acetyl-6-ethyl-1,1,4,4-tetramethyltetralin
  • 1,1,4,4-Tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydronaphthalene
  • NSC 15342
  • 1-(3-Ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one

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Literature & References

1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethanone
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:88-29-9
Pubchem (cid):6930
Pubchem (sid):134972180
Publications by US Patents
4,162,256 - Process for the production of compounds useful in perfumery

Other Information

PhysChem Properties

Material listed in food chemical codex No
Molecular weight 258.40441894531
Melting Point 46 to 47°C @ 760 mm Hg
Vapor Pressure 2.0E-5 mmHg @ 25 °C
Flash Point TCC Value 93.33 °C TCC
logP (o/w) 5.037 est
Shelf life 36 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
alcohol Yes
benzyl alcohol Yes
benzyl benzoate Yes
diethyl phthalate Yes
isopropyl myristate Yes
water, 0.07008 mg/L @ 25 °C (est) Yes
water No
Stability
very stable Unspecified

Organoleptic Properties

Odor Type: Musk
sweet, musk, ambrette
Odor strength medium , recommend smelling in a 10.00 % solution or less
Substantivity 400 hour(s) at 20.00 % in dipropylene glycol
General comment At 10.00 % in dipropylene glycol. sweet intense musk ambrette macrocyclic

Potential Uses

Applications
Odor purposes Ambrette oil replacer, Musk
Cosmetic purposes Not used anymore

Safety Information

Safety information

European information :
Most important hazard(s):
Xn - Harmful.
R 22 - Harmful if swallowed.
S 02 - Keep out of the reach of children.
S 20/21 - When using do not eat, drink or smoke.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 37/39 - Wear suitable gloves and eye/face protection.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 260 mg/kg
SKIN AND APPENDAGES (SKIN): HAIR: OTHER BEHAVIORAL: EXCITEMENT BEHAVIORAL: ATAXIA
Food and Cosmetics Toxicology. Vol. 19, Pg. 753, 1981.

intraperitoneal-rat LD50 126 mg/kg
BEHAVIORAL: EXCITEMENT BEHAVIORAL: TREMOR BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Food and Cosmetics Toxicology. Vol. 17, Pg. 357, 1979.

oral-mouse LDLo 470 mg/kg
Archives of Environmental Contamination and Toxicology. Vol. 14, Pg. 111, 1985.

Dermal Toxicity:
skin-rat LD50 584 mg/kg
BEHAVIORAL: EXCITEMENT BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR
Food and Cosmetics Toxicology. Vol. 17, Pg. 357, 1979.

Inhalation Toxicity:
Not determined

Safety in use information

Category:
information only not used for fragrances or flavors
IFRA Critical Effect:
Neurotoxicity
View the IFRA Standard
Recommendation for versalide usage levels up to:
PROHIBITED: Should not be used as a fragrance ingredient.
Recommendation for versalide flavor usage levels up to:
not for flavor use.

Safety references

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):88-29-9
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6930
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethanone
Chemidplus:0000088299