
Wintergreen oil is obtained from is a group of plants commonly known as they remain green through the winter. Wintergreen oil is generally extracted from the species of Gaultheria. The major component is an ester Methyl Salicylate ( about 99%), which is found to protect the plants from insects. Other components includes α - pinene, myrcene, delta -3 -carene, limonene, 3,7 - guaiadiene and delta -cadinene. Methyl salicylate is used as a rubifacient ( Counterirritant) in deep heating liniments flavoring agent and fragrance in small amounts.
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1. |
Appearance: |
colorless to light yellow |
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2. |
Odour: |
with wintergreen herb-medicine aroma |
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3. |
Relative density: |
1.176~1.182 |
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4. |
Refractive index: |
1.535~1.538 |
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5. |
Acid value: |
≤1.0 |
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6. |
Heavy metal: |
negative |
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7. |
Optical rotation: |
left ≤-1.5º |
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8. |
Solubility: |
easy soluble in 70% ethanol |
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9. |
Content: |
menthyl salicylate>99% |