Packaging and storage
Preserve in well-filled,tight containers,and avoid exposure to excessive heat.
Labeling
The label states the Latin binomial name 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 90percent alcohol
One volume dissolves in 3volumes of 90percent alcohol.
Limit of phenols
Asolution of recently distilled Anise Oil in 90percent alcohol (1in 3)is neutral to moistened litmus paper,and the solution develops no blue or brownish color upon the addition of 1drop of ferric chloride TSto 5mLof the solution.