Eucalyptus maculata citriodora, ext. Chemical Properties

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℃

Cosmetics Ingredients Functions

SKIN CONDITIONING
HAIR CONDITIONING
SKIN CONDITIONING - MISCELLANEOUS

LogP

3.62 at 25℃

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-38

Safety Statements 

16-26-36

RIDADR 

UN 1993C 3 / PGIII

Eucalyptus maculata citriodora, ext. Usage And Synthesis

Description

Eucalyptus Citriodora Leaf/Twig Water is the aqueous solution of the steam distillates obtained from the leaves and twigs of Eucalyptus citriodora, Myrtaceae.

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; n²⁰_D 1.4500–1.4560; α²⁰_D ?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.

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