Wintergreen Oil Chemical Properties

Boiling point:

219 °C(lit.)

alpha 

-0.5 º (NEAT)

Density 

1.181 g/mL at 25 °C(lit.)

FEMA 

3113 | WINTERGREEN OIL (GAULTHERIA PROCUMBENS L.)

refractive index 

n20/D 1.54

Flash point:

226 °F

storage temp. 

2-8°C

Odor

at 10.00 % in dipropylene glycol. fresh sweet wintergreen

Odor Type

minty

CAS DataBase Reference

68917-75-9(CAS DataBase Reference)

EPA Substance Registry System

Wintergreen oil (68917-75-9)

Safety Information

Hazard Codes 

Xn

Risk Statements 

22-36/38

Safety Statements 

26-36

WGK Germany 

1

RTECS 

VO4725000

F 

8

Wintergreen Oil Usage And Synthesis

Chemical Properties

Wintergreen essential oil is water steam-distilled from leaves charged into the still and allowed to macerate for several hours to hydrolyze the gaultherin glucoside (methyl salicylate + glucose). Distillation lasts from 5 to 6 hours and yields approximately 0.7% essential oil. The oil is often adulterated by intentionally co-distilling sweet birth (Betula lenta) bark. FCC (1996) has described wintergreen oil as obtained from the leaves of G. procumbens and bark of B. lenta. The oil has a strong, sweet, aromatic odor reminiscent of methyl salicylate, its main constituent.

Physical properties

Wintergreen oil is a colorless, yellowish or reddish liquid. It boils with decomposition between 219 to 224°C. It is soluble in alcohol and in glacial acetic acid, and it is very slightly soluble in water.

Definition

Extractives and their physically modified derivatives. Gaultheria procumbens, Ericacenae or Betula lenta, Betulaceae.

Essential oil composition

The oil contains approximately 98% methyl salicylate.

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