Menthol crystals are produced through mint essential oil (mentha arvensis) extraction, the oil is quick frozen and the menthol crystallizes out.
The crystals are crystalline in form, more oblong, similar to rock crystals. They are clear to white with a cool minty fresh odor. Soluble in alcohol and oils.
The menthol crystallization process using menthe oil is rather simple, and consists of a cascade crystallization
The world's current demand for menthol is about 12,000 metric tons, with India accounting for around 7,000 metric tons.
China produced 3,500 metric tons of menthol, but that country has been reducing its domestic production, and the broker projects a further reduction of about 20 percent.