Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)

Modify Date: 2025-08-27 12:48:42

Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) Structure
Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) structure
Common Name Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)
CAS Number 88-29-9 Molecular Weight 258.39800
Density 0.931g/cm3 Boiling Point 361.9ºC at 760 mmHg
Molecular Formula C18H26O Melting Point N/A
MSDS N/A Flash Point 152.6ºC

 Names

Name 1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethanone
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.931g/cm3
Boiling Point 361.9ºC at 760 mmHg
Molecular Formula C18H26O
Molecular Weight 258.39800
Flash Point 152.6ºC
Exact Mass 258.19800
PSA 17.07000
LogP 4.80060
Index of Refraction 1.497
InChIKey KSEZPRJUTHMFGZ-UHFFFAOYSA-N
SMILES CCc1cc2c(cc1C(C)=O)C(C)(C)CCC2(C)C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AL3031000
CHEMICAL NAME :
2'-Acetonaphthone, 3'-ethyl-5',6',7',8'-tetrahydro-5',5',8',8'-tetrameth yl-
CAS REGISTRY NUMBER :
88-29-9
BEILSTEIN REFERENCE NO. :
2126062
LAST UPDATED :
199701
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C18-H26-O
MOLECULAR WEIGHT :
258.44
WISWESSER LINE NOTATION :
L66&TJ CV1 D2 G1 G1 J1 J1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,357,1979 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
260 mg/kg
TOXIC EFFECTS :
Behavioral - excitement Behavioral - ataxia Skin and Appendages - hair
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 19,753,1981
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
584 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - excitement
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,357,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
126 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - excitement
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,357,1979
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
470 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AECTCV Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 14,111,1985 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9800 mg/kg/14W-I
TOXIC EFFECTS :
Brain and Coverings - demyelination Spinal Cord - other degenerative changes Peripheral Nerve and Sensation - structural change in nerve or sheath
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,357,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83229 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 19 No. of Employees: 2321 (estimated)

 Safety Information

HS Code 2914399090

 Synthetic Route

~%

Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) Structure

Ethanone,1-(3-e...

CAS#:88-29-9

Literature: Givaudan and Cie. Patent: DE951267 , 1954 ; Full Text Show Details Givaudan Corp. Patent: US2897237 , 1953 ;

~%

Ethanone,1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) Structure

Ethanone,1-(3-e...

CAS#:88-29-9

Literature: Wood,T.F. et al. Journal of Organic Chemistry, 1963 , vol. 28, p. 2248 - 2255

 Customs

HS Code 2914399090
Summary 2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Bioassay

View more

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
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 Synonyms

Versalide
Polycyclic musk
Musk 36A
7-Acetyl-6-ethyl-1,1,4,4-tetramethyltetralin
EINECS 201-817-7
Acetylethyltetramethyltetralin
AETT
1,1,4,4-tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydronaphthalene
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