CIVETONE

CIVETONE Basic information

Product Name:	CIVETONE
Synonyms:	(z)-9-cycloheptadecen-1-on;(Z)-9-Cycloheptadecen-1-one;10-Ketocycloheptadecene;10-Oxocycloheptadecene;9-Cycloheptadecen-1-one,(Z)-;cis-9-cycloheptadecen-1-one;cis-Civetone;Zibeton
CAS:	542-46-1
MF:	C17H30O
MW:	250.42
EINECS:	208-813-4
Product Categories:
Mol File:	542-46-1.mol

CIVETONE Chemical Properties

Melting point	31-32°
Boiling point	bp742 342°; bp2 59°
density	d433 0.917
FEMA	3425 \| CYCLOHEPTADECA-9-EN-1-ONE
refractive index	nD33.4 1.4830
Odor	at 1.00 % in dipropylene glycol. clean musk dry animal sweet
Odor Type	musk
JECFA Number	1401
LogP	6.31
EPA Substance Registry System	9-Cycloheptadecen-1-one, (9Z)- (542-46-1)

Safety Information

Hazard Codes	Xi
Risk Statements	38
Safety Statements	36/37
toxicity	The acute oral LD₅₀ value in rats was reported as > 5 g/kg and the acute dermal LD₅₀ value in rabbits exceeded 2 g/kg (Moreno. 1974).

MSDS Information

CIVETONE Usage And Synthesis

Chemical Properties	CIVETONE is a colorless liquid with warm, sensual, animalic musky odor and extreme tenacity. It is themain odoriferous constituent of civet.Civetonewas formerly prepared bymultistep syntheses, for example. Recently, newer processes using dimethyl (Z)-9-octadecendioate as starting material have been described. This is cyclized by a Dieckmann condensation either in liquid or in gaseous phase. (Z)-9-Octadecendioic acid is available by microbial oxidation of oleic acid with Candida tropicalis. It is used in fine fragrance compositions for, for example, toiletries and body care products.
Chemical Properties	Cycloheptadeca-9-en-1-one has an obnoxious animal-gland odor. It can be pleasant at extreme dilutions.
Occurrence	In civet (cis-form).
Uses	In perfumery.
Definition	ChEBI: A macrocycle that is cycloheptadecanone with an unsaturation at position 9 (the 9Z-stereoisomer). It has been found in African Civets.
Preparation	From aleuritic acid, the trans- form only; the cis- and trans-forms from ethyl-9-keto heptadecanedioate.
Aroma threshold values	Detection: 3 ppb
Safety Profile	A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

CIVETONE Preparation Products And Raw materials

Raw materials

Ethyl acetoacetate-->Palmitic acid-->Undecenoic acid-->Semicarbazide-->Chromic acid-->Shellac-->CIVET

Benedict's reagent Musk ketone Rust remover PHYSALIN D 1-HEPTADECENE Androst-2-en-17-one Methoxydienone 2,(5-ALPHA)-ANDROSTEN-11,17-DIONE trans-Civetone,(E)-9-Cycloheptadecen-1-one 2,(5-ALPHA)-ANDROSTEN-11-ALPHA-OL-17-ONE ACETATE CIVETONE 2,(5-ALPHA)-ANDROSTEN-3-OL-17-ONE ACETATE 2,(5-ALPHA)-ANDROSTEN-11-ALPHA-OL-17-ONE 2,5(10)-ESTRADIEN-3-OL-17-ONE 3-METHYL ETHER

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