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Basic Information
CAS No.: 88-29-9
Name: 7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene
Molecular Structure:
Molecular Structure of 88-29-9 (7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene)
Formula: C18H26 O
Molecular Weight: 258.404
Synonyms: 2'-Acetonaphthone,3'-ethyl-5',6',7',8'-tetrahydro-5',5',8',8'-tetramethyl- (7CI,8CI); Versalide(6CI); 1,1,4,4-Tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydronaphthalene;1,1,4,4-Tetramethyl-6-ethyl-7-acetyltetralin;3'-Ethyl-5',6',7',8'-tetrahydro-5',5',8',8'-tetramethyl-2'-acetonaphthone;7-Acetyl-6-ethyl-1,1,4,4-tetramethyltetralin; 7-Acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene;AETT; Musk 36A; NSC 15342
Density: 0.931g/cm3
Melting Point: 46.5°
Boiling Point: 361.9°C at 760 mmHg
Flash Point: 152.6°C
Solubility: 12ug/L(temperature not stated)
Safety: Poison by ingestion. Moderately toxic by skin contact. A skin and eye irritant. Exposure causes blue coloration of internal organs and central nervous system effects, e.g., hyperexcitability, tremors, lack of coordination, hunched back, and loss of weight. It is slowly metabolized and excreted via feces. Symptoms persist for 90 days after exposure. Severity of symptoms seems proportional to length of exposure. It is freely absorbed via human skin. When heated to decomposition it emits acrid smoke and fumes.
PSA: 17.07000
LogP: 4.80060
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Chemistry

Acetyl ethyl tetramethyl tetralin(88-29-9) is also named as 7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene;7-acetyl-6-ethyl-1,2,3,4-tetrahydro-1,1,4,4-tetramethylnaphthalene;Versalide;Ethanone, 1-(3-ethyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-,and so on.

CAS: 88-29-9
EINECS: 201-817-7
Molecular Weight: 258.39844 [g/mol]
Molecular Formula: C18H26O
Molecular structure:
XLogP3-AA: 5.5
H-Bond Donor: 0
H-Bond Acceptor: 1
Rotatable Bond Count: 2
Tautomer Count: 2
Exact Mass: 258.198365
MonoIsotopic Mass: 258.198365
Topological Polar Surface Area: 17.1
Heavy Atom Count: 19
Formal Charge: 0
Complexity: 353
Isotope Atom Count: 0
Defined Atom StereoCenter Count: 0
Undefined Atom StereoCenter Count: 0
Defined Bond StereoCenter Count: 0
Undefined Bond StereoCenter Count: 0
Covalently-Bonded Unit Count: 1

Uses

Acetyl ethyl tetramethyl tetralin(88-29-9) is commonly used as musk for perfumes, cosmetics, soaps.

Toxicity Data With Reference

1.   

skn-rbt 500 mg/24H MLD

   FCTXAV    Food and Cosmetics Toxicology. 17 (1979),357.
2.   

orl-rat LD50:260 mg/kg

   FCTXAV    Food and Cosmetics Toxicology. 19 (1981),753.
3.   

skn-rat LD50:584 mg/kg

   FCTXAV    Food and Cosmetics Toxicology. 17 (1979),357.
4.   

orl-mus LDLo:470 mg/kg

   AECTCV    Archives of Environmental Contamination and Toxicology. 14 (1985),111.

RTECS:   AL3031000

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Acetyl ethyl tetramethyl tetralin(88-29-9) is poisonous by ingestion. Moderately toxic by skin contact. A skin and eye irritant. Exposure causes blue coloration of internal organs and central nervous system effects, e.g., hyperexcitability, tremors, lack of coordination, hunched back, and loss of weight. It is slowly metabolized and excreted via feces. Symptoms persist for 90 days after exposure. Severity of symptoms seems proportional to length of exposure. It is freely absorbed via human skin. When heated to decomposition it emits acrid smoke and fumes.