89-78-1 CAS No. and 99.9% Purity pharmaceutical grade menthol crystal

Menthol is an organic compound made synthetically or obtained from corn mint, peppermint, or other mint oils.It is a waxy, crystalline substance, clear or white in color, which is solid at room temperature and melts slightly above.

The main form of menthol occurring in nature is (−)-menthol. Menthol has local anesthetic and counterirritant qualities, and it is widely used to relieve minor throat irritation. Menthol also acts as a weak kappa opioid receptor agonist.

Occurrence

Mentha arvensis(wild mint) is the primary species of mint used to make natural menthol crystals and natural menthol flakes.

Menthol occurs naturally in peppermint oil (along with a little menthone, the ester menthylvacetate and other compounds), obtained from Mentha piperita (peppermint). Japanese menthol also contains a small percentage of the 1-epimer, neomenthol.

Applications

Menthol is included in many products for a variety of reasons. These include:

In nonprescription products for short-term relief of minor sore throat and minor mouth or throat irritation. Examples: lip balms and cough medicines.

As an antipruitic to reduce itching.

As a topical analgesic, it is used to relieve minor aches and pains

In certain medications used to treat sunburns, as it provides a cooling sensation (then often associated with aloe).

As a smoking tobacco additive in some additive in some cigarette brands, for flavor, and to reduce throat and sinus irritation caused by smoking.

Commonly used in oral hygiene products and bad-breath remedies,

As a pesticide against tracheal mites of honey bees.

In perfumery, menthol is used to prepare menthyl esters to emphasize floral notes (especially rose).

In some beauty products such as hair conditioners, based on natural ingredients (e.g., St. Ives).