Citral
It is a mixture of citral a and citral b. It is a pale yellow lemon-oily volatile liquid which is insoluble in water and soluble in organic solvents such as ethanol, ether, propylene glycol, glycerol and mineral oil. The relative density of 0.891 (25/25 ℃), boiling point 228-229 ℃. Exist in citrus oil, lemon oil, lemon grass oil, litsea cubeba oil, lemon oil, verbena oil and other plant essential oilsCitral Specification:
Testing Items |
Standard Requirements |
Testing Result |
Color and Appearance |
Yellow or pale yellow clear liquid |
Pale yellow clear liquid |
Scent |
Strong aroma of lemon |
Strong aroma of lemon |
Denisty(25℃/25℃) |
0.858-0.867 |
0.859 |
Refractive index(20℃) |
1.461-1.465 |
1.462 |
Solubility(25℃) |
Dissolve in ethanol70%(v/v) |
Qualified |
Aldehyde Content(amount of citral) |
≥97.0% |
98.7% |