(4R-cis)-4,4a,5,6,7,8-hexahydro-4,4a-dimethyl-6-(1-methylethylidene)naphthalen-2(3H)-one

(4R-cis)-4,4a,5,6,7,8-hexahydro-4,4a-dimethyl-6-(1-methylethylidene)naphthalen-2(3H)-one Property

Melting point:

51.5° (Naves, Perrottet); mp of racemate 30-35° (Marshall, Andersen)

alpha 

D20 +248° (chloroform)

Boiling point:

299.03°C (rough estimate)

Density 

d420 1.003 (liquid, supercooled)

refractive index 

nD20 1.5384

form 

crystals

Specific Gravity

1.00 (liquid)

color 

Pale yellowish or off-white

Odor

warm pleasant powerful

LogP

4.443 (est)

EPA Substance Registry System

2(3H)-Naphthalenone, 4,4a,5,6,7,8-hexahydro-4,4a-dimethyl-6-(1-methylethylidene)-, (4R,4aS)- (15764-04-2)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

(4R-cis)-4,4a,5,6,7,8-hexahydro-4,4a-dimethyl-6-(1-methylethylidene)naphthalen-2(3H)-one Chemical Properties,Usage,Production

Description

α-Vetivone has a powerful, warm, pleasant, Orris-Vetiver-Ambre-like odor of outstanding tenacity. It is generally considered the most desirable odor of the two. Unfortunately, it appears to be the minor component of the total ketones in Vetiver oil.

Uses

α-Vetivone, is a component of Vetiver essential oil which is a highly esteemed basic ingredient of modern perfumery, hvaing a woody, earthy scent.

Definition

ChEBI: Alpha-Vetivone is a sesquiterpenoid.