EUGENIA CARYOPHYLLUS (CLOVE) LEAF OIL

Химические свойства

Clove leaf oil is obtained in 2–3% yield by steam distillation of the leaves of the aforementioned plant. d²⁰₂₀ 1.039–1.049; n²⁰_D 1.5280–1.5350; phenol content: min. 80%, for Indonesian origin 78%; content by GC: eugenol 80–92%, caryophyllene 4–17%, eugenol acetate 0.2–1%.

Физические свойства

Freshly distilled oil is yellow, but turns dark violet after aging in iron containers. It is soluble in propylene glycol and in most fixed oils, with slight opalescence. It is relatively insoluble in glycerin and in mineral oil.

Cостав эфирных масел

The oil has a high concentration of eugenol, making it a preferred source for eugenol and subsequent conversion to isoeugenol, derivatives of eugenol and vanillin. Trace quantities of naphthalene and a bicyclic sesquiterpene alcohol may be present in the leaf oil. Little or no eugenyl acetate is present.

Профиль безопасности

Moderately toxic by ingestion and skin contact. A severe skin irritant. When heated to decomposition it emits acrid smoke and fumes.