» Fennel Oil is the volatile oil distilled with steam from the dried, ripe fruit of Foeniculum vulgare Mill. (Fam. Apiaceae).
noteIf solid material has separated, carefully warm the Fennel Oil until it is completely liquefied, and mix before using.
Packaging and storage Preserve in tight containers.
Labeling The label states the Latin binomial and, following the official name, the part of the plant source from which the article was derived. The label also states that if solid material has separated, carefully warm Oil until it is completely liquefied, and mix before using.
Solubility in 90 percent alcohol One volume dissolves in 1 volume of 90 percent alcohol.
Specific gravity 841: between 0.953 and 0.973.
Congealing temperature 651: not lower than 3.
Angular rotation 781A: between +12 and +24.
Refractive index 831: between 1.528 and 1.538 at 20.
Heavy metals, Method II 231: 0.004%.
Auxiliary Information Please check for your question in the FAQs before contacting USP.
USP32NF27 Page 1237Pharmacopeial Forum: Volume No. 27(4) Page 2797