hinoki leaf oil

Hinoki leaf oil is an essential oil extracted from the leaves of Cupressus obtusa, a tree species native to Japan. It is also known by several synonyms such as chamaecyparis breviramea leaf oil, hinoki cypress leaf oil, and japanese false cypress leaf oil. The oil presents a distinctive camphoraceous, fresh pine aroma noted for its clarity and intensity. Its molecular composition includes a range of terpenes and other volatile compounds that contribute to its sensory character. As a natural product, hinoki leaf oil is mainly obtained through steam distillation of the foliage and is documented under controlled chemical vocabularies such as PubChem. This oil is commonly incorporated into fragrance formulations for its unique scent profile and is valued in perfumery and cosmetic applications.

Hinoki leaf oil originates from the hinoki cypress tree, scientifically referenced as Cupressus obtusa, found predominantly in East Asia. It contains chemical constituents that exhibit a fresh and camphor-like olfactory character, making it widely utilized as a fragrance agent. Usage guidelines established by IFRA (International Fragrance Association) (Global) recommend a maximum concentration of 6% in fragrance concentrates to ensure safety and minimize sensitization risks, particularly due to components such as longifolene which can act as sensitizers. While hinoki leaf oil is not recommended for flavor use, its aromatic properties make it a preferred ingredient in perfumes, air fresheners, and personal care products seeking a fresh pine-green note.

Hinoki leaf oil exhibits solubility in alcohol, allowing its integration into various alcohol-based fragrance formulations, whereas it remains insoluble in water due to its hydrophobic nature. The oil’s camphoraceous odor arises from its volatile terpene constituents, which also contribute to its fresh pine-green aroma. These physico-chemical traits influence its stability and compatibility within fragrance compositions. Its relatively volatile nature necessitates appropriate storage and handling conditions to preserve aromatic integrity. These properties collectively determine the oil’s functionality and performance when applied in perfumery and related sensory applications.

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Export Tariff Code:	3301.29.6000
Typical G.C.
Wikipedia:	View
FAO:	BASIC PRINCIPLES OF STEAM DISTILLATION

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
contains the following IFRA (Annex) restricted components: (non-analysis max. level reference only)
longifolene	Max. Found: 32.00 % and Reason: Sensitization
Recommendation for hinoki leaf oil usage levels up to:
	6.0000 % in the fragrance concentrate.
Recommendation for hinoki leaf oil flavor usage levels up to:
	not for flavor use.

Safety references

None found