(+)-P-MENTH-1-ENE Chemical Properties

Boiling point:

175-177 °C(lit.)

Density 

0.823 g/mL at 20 °C(lit.)

refractive index 

n20/D 1.457

Flash point:

35 °C

solubility 

Insoluble in water, soluble in alcohol, miscible with oils.

color 

Colorless mobile liquid

Odor

Typical “hydrocarbon’’-odor, similar to that of para-Cymene, rather harsh, but in extreme dilution quite refreshing, almost citrusy.

LogP

4.732 (est)

Safety Information

Risk Statements 

10

RIDADR 

UN 2319 3/PG 3

WGK Germany 

3

HazardClass 

3.2

PackingGroup 

III

MSDS

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(+)-P-MENTH-1-ENE Usage And Synthesis

Uses

p-Menthene, rarely offered commercially, finds a little use in perfumery, mainly in the preparation of artificial essential oils. However, a fairly pure grade of this chemical is comparatively expensive and the odor value of the material does not compensate for the market price of it.

Synthesis Reference(s)

The Journal of Organic Chemistry, 44, p. 1014, 1979 DOI: 10.1021/jo01320a033

Synthesis

p-Menthene is produced by dehydration of Menthol. It has also been prepared by catalytic hydrogenation of Limonene (P1atinum catalyst) or Dipentene (Nickel).

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