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eucalyptus citriodora oil

Eucalyptus citriodora oil is a volatile essential oil known for its fresh, herbal citronella scent, primarily used as a fragrance ingredient derived from the eucalyptus citriodora plant.

General Material Description

Eucalyptus citriodora oil is a volatile essential oil extracted from the leaves of the eucalyptus citriodora tree, a species of the Myrtaceae family. This oil is characterized by a distinctive fresh, rosy citronella aroma with herbal and balsamic floral notes. It is also known by synonyms including citrodora oil, corymbia citriodora oil, and spotted gum oil. The oil is primarily sourced via steam distillation of the plant's leaves. Its aromatic profile makes it a valued ingredient in fragrance formulations. For detailed chemical information, refer to its PubChem entry.

Occurrence, Applicability & Potential Uses

Eucalyptus citriodora oil naturally occurs in the leaves of the eucalyptus citriodora tree native to regions such as Australia. It is prized for its strong herbal and fresh citronella scent, which has a substantivity of approximately 28 hours at 100% concentration. The oil is widely employed as a fragrance agent in perfumes, colognes, and aromatherapy products. Its odor profile includes citrus, floral, lemon, lemongrass, mint, and spice aspects, making it versatile for creating fresh and clean fragrance compositions. According to the IFRA (Global) guidelines, its usage concentration in fragrance concentrates is recommended to remain at or below 2%. While it has some flavor applications related to tea lemon and pennyroyal notes, it is restricted from general flavor uses. Its inclusion in tonics also reflects its tonic fragrance properties.

Physico-Chemical Properties Summary

Eucalyptus citriodora oil exhibits a specific gravity ranging from 0.858 to 0.877 at 25 °C and a refractive index between 1.451 and 1.464 at 20 °C. The oil’s flash point is approximately 52 °C (125 °F), indicating moderate flammability that requires proper handling and storage. It demonstrates partial solubility in water and good solubility in solvents like benzyl benzoate, fixed oils, paraffin oil, and propylene glycol. The oil shows moderate susceptibility to alkali environments. Its shelf life extends to around 12 months when stored in a cool, dry place, protected from heat and light in tightly sealed containers. These properties impact formulation stability and compatibility with other ingredients in fragrance and cosmetic applications.

FAQ

What is eucalyptus citriodora oil and what are its main characteristics?
Eucalyptus citriodora oil is a volatile essential oil derived from the leaves of the eucalyptus citriodora tree. It has a fresh, herbal aroma with pronounced citronella and floral notes. Known by various synonyms including citrodora oil and spotted gum oil, it is primarily used as a fragrance ingredient. The oil has a characteristic herbal odor strength and exhibits good substantivity, making it a valued component in perfumery and aromatherapy.
How is eucalyptus citriodora oil typically used and where does it occur naturally?
This oil is naturally present in the leaves of the eucalyptus citriodora tree native to Australia. It is frequently employed in fragrance formulations due to its fresh, citrusy, and herbal scent profile. The oil finds applications in perfumes, cosmetic tonics, and occasionally in flavoring contexts with very limited uses. Its complex odor profile, inclusive of lemon, lemongrass, and spice accords, lends versatility to product formulations in various industries.
What safety regulations and storage recommendations apply to eucalyptus citriodora oil?
Eucalyptus citriodora oil is classified as harmful and flammable in European regulations, with hazard classifications including respiratory and skin irritation risks. IFRA (Global) recommends usage levels in fragrance concentrates up to 2%. It should be stored in cool, dry environments, away from heat and light, to maintain stability for up to 12 months. Personal protective equipment is advised during handling to avoid sensitization or irritation, and exposure to vapors should be minimized.

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Literature & References

eucalyptus citriodora oil
Canada Domestic Sub. List:129828-24-6
Pubchem (sid):135327378
Publications by PubMed
Effects of essential oils from medicinal plants acclimated to Benin on in vitro ruminal fermentation of Andropogon gayanus grass.
Efficacy of free and nanoencapsulated Eucalyptus citriodora essential oils on sheep gastrointestinal nematodes and toxicity for mice.
Airborne antituberculosis activity of Eucalyptus citriodora essential oil.
Comparative study of thermal properties of bio-coal from aromatic spent with low rank sub-bituminous coals.
Phytochemical composition of Cymbopogon citratus and Eucalyptus citriodora essential oils and their anti-inflammatory and analgesic properties on Wistar rats.
Variation in the volatile oil composition of Eucalyptus citriodora produced by hydrodistillation and supercritical fluid extraction techniques.
The effects of herbal essential oils on the oviposition-deterrent and ovicidal activities of Aedes aegypti (Linn.), Anopheles dirus (Peyton and Harrison) and Culex quinquefasciatus (Say).
Inhibitory effects of the volatile oils of Callistemon citrinus (Curtis) Skeels and Eucalyptus citriodora Hook (Myrtaceae) on the acetylcholine induced contraction of isolated rat ileum.
Efficacy of herbal essential oils as insecticide against Aedes aegypti (Linn.), Culex quinquefasciatus (Say) and Anopheles dirus (Peyton and Harrison).
Analysis of phytochemical constituents of Eucalyptus citriodora L. responsible for antifungal activity against post-harvest fungi.
Evaluation of Eucalyptus citriodora essential oil on goat gastrointestinal nematodes.
Fumigant toxicity of lemon eucalyptus oil constituents to acaricide-susceptible and acaricide-resistant Tetranychus urticae.
Acaricidal activity of the essential oils from Eucalyptus citriodora and Cymbopogon nardus on larvae of Amblyomma cajennense (Acari: Ixodidae) and Anocentor nitens (Acari: Ixodidae).
Bioactivity against Tribolium castaneum Herbst (Coleoptera: Tenebrionidae) of Cymbopogon citratus and Eucalyptus citriodora essential oils grown in Colombia.
Variation in chemical composition and acaricidal activity against Dermanyssus gallinae of four eucalyptus essential oils.
Phytotoxicity of volatile oil from Eucalyptus citriodora against some weedy species.
Fungicidal activity of volatile oil from eucalyptus Citriodora Hook. against Alternaria triticina.
Authenticity control of essential oils containing citronellal and citral by chiral and stable-isotope gas-chromatographic analysis.
Chemical composition and phytotoxicity of volatile essential oil from intact and fallen leaves of Eucalyptus citriodora.
Chemical composition and inhibitory activity of essential oil from decaying leaves of Eucalyptus citriodora.
[Extraction and determination of volatile constituents in leaves of Eucalyptus citriodora].
Fumigant activity of plant essential oils and components from garlic (Allium sativum) and clove bud (Eugenia caryophyllata) oils against the Japanese termite (Reticulitermes speratus Kolbe).
Analgesic and anti-inflammatory effects of essential oils of Eucalyptus.
In vitro antagonistic activity of monoterpenes and their mixtures against 'toe nail fungus' pathogens.
Antifungal activity of the volatile oil of Eucalyptus citriodora.
Correlation between chemical composition and antibacterial activity of essential oils of some aromatic medicinal plants growing in the Democratic Republic of Congo.
Toxic effects of six plant oils alone and in combination with controlled atmosphere on Liposcelis bostrychophila (Psocoptera: Liposcelididae).
Changes in essential oil during enzyme-assisted ensiling of lemongrass (Cymbopogon citratus Stapf.) and lemon eucalyptus (Eucalyptus citriodora Hook).
Antibacterial action of the essential oils of some Australian Myrtaceae with special references to the activity of chromatographic fractions of oil of Eucalyptus citriodora.

Other Information

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

General Material Information

Preferred name eucalyptus citriodora oil
Trivial Name Oils, eucalyptus, E. citriodora
Short Description volatile oil obtained from eucalyptus citriodora, myrtaceae
CAS Number 129828-24-6
FDA UNII Search
Synonyms
  • citrodora oil
  • corymbia citriodora oil
  • eucalyptus citradora oil
  • eucalyptus citriodorus oil
  • spotted gum oil (eucalyptus citriodora)
  • volatile oil obtained from eucalyptus citriodora, myrtaceae
  • Oils, eucalyptus, E. citriodora

PhysChem Properties

Material listed in food chemical codex No
Specific gravity @ 25 °C
Pounds per Gallon 7.139 to 7.298
Refractive Index 1.451 to 1.464 @ 20 °C
Flash Point TCC Value 51.67 °C TCC
Shelf life 12 months (or longer if stored properly.)
Storage notes Store in cool, dry place in tightly sealed containers, protected from heat and light.
Solubility
benzyl benzoate Yes
fixed oils Yes
paraffin oil Yes
propylene glycol Yes
water, 38.94 mg/L @ 25 °C (est) Yes
water, slightly No
glycerin No
Stability
alkali - moderately Unspecified

Organoleptic Properties

Odor Type: Herbal
fresh, rose, citronella, balsamic, floral
Odor strength high , recommend smelling in a 10.00 % solution or less
Substantivity 28 hour(s) at 100.00 %
Luebke, William tgsc, (1994) At 10.00 % in dipropylene glycol. fresh rosy citronella balsamic floral

Occurrences

Safety Information

Safety information

European information :
Most important hazard(s):
Xn - Harmful.
R 10 - Flammable.
R 37/38 - Irritating to respiratory system and skin.
R 43 - May cause sensitisation by skin contact.
R 63 - Possible risk of harm to the unborn child.
S 02 - Keep out of the reach of children.
S 23 - Do not breath vapour.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
S 45 - In case of accident or if you feel unwell seek medical advice immediately.
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:
oral-rat LD50 2480 mg/kg
FCTXAV
13,107,1975

Dermal Toxicity:
skin-rabbit LD50 2480 mg/kg
FCTOD7
26,323,1988

Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
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)
citronellol Max. Found: 10.00 % and Reason: Sensitization
geraniol Max. Found: trace to
citronellal Max. Found: 75.00 % and Reason: Sensitization
Recommendation for eucalyptus citriodora oil usage levels up to:
2.0000 % in the fragrance concentrate.
Recommendation for eucalyptus citriodora oil flavor usage levels up to:
not for flavor use.

Safety references

EPI System: View
EPA Substance Registry Services (TSCA):129828-24-6
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
National Institute of Allergy and Infectious Diseases:Data
WISER:UN 1993
WGK Germany:2
eucalyptus citriodora oil
Chemidplus:0129828246
RTECS:LE2530000 for cas# 129828-24-6