Physical and Chemical Properties | Light blue to light green blue essential oil. It has a strong aroma characteristic of flowers and a burning sensation. Chen can be yellow-green to brown-yellow. Soluble in most non-volatile oils, almost completely dissolved in mineral oils. It is soluble in propylene glycol, but slightly turbid. Insoluble in glycerin. 50%(1:1) can be dissolved in 90% ethanol and 15% can be dissolved in 70% ethanol. |