Eucalyptus maculata citriodora, ext.
- CAS NO.:85203-56-1
- Empirical Formula: C10H18O
- Molecular Weight: 0
- MDL number: MFCD00146880
- EINECS: 286-249-8
- Update Date: 2024-07-18 18:48:51
What is Eucalyptus maculata citriodora, ext.?
Chemical properties
E. citriodora oil is obtained by steam distillation of leaves and terminal
branches of E. citriodora Hook (lemon-scented gum). It is an almost
colorless, pale yellow, or greenish-yellow liquid with a citronellal-like odor.
d2020 0.860–0.870; n20D 1.4500–1.4560; α20D ?1 ° to +3 °; content of carbonyl compounds calculated as citronellal: min. 70%; content of citronellal by GC: min. 75%.
In addition to the main component, rac-citronellal, the oil contains citronellol
and isopulegol (5–10% each).
Young E. citriodora trees that are grown exclusively for essential oil production
are cut back to a height of 1–1.50m and develop into shrubs.The leaves
can be harvested throughout the year; more than 200 kg of oil can be obtained per hectare.
Worldwide production of E. citriodora oil amounts to ~1000 t/yr.Themain
producers are China and Brazil. Smaller quantities come from India, Vietnam,
and Paraguay. In Brazil, the oil is a by-product of commercial forestry; E. citriodora
wood serves as an energy source for steel production. E. citriodora oil
is a starting material for the manufacture of citronellal and products derived
from it. It is also used in perfumery for the same purposes as citronellal.
Properties of Eucalyptus maculata citriodora, ext.
Boiling point: | 93℃[at 101 325 Pa] |
Density | 0.866 g/mL at 25 °C |
vapor pressure | 47.5-2600Pa at 25℃ |
refractive index | n20/D1.455 |
Flash point: | 57℃ |
Odor | citronellal |
Water Solubility | 88mg/L at 25℃ |
Safety information for Eucalyptus maculata citriodora, ext.
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation |
Computed Descriptors for Eucalyptus maculata citriodora, ext.
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