Methyl diisopropyl propionamide

Methyl diisopropyl propionamide (CAS 51115-67-4 ), widely recognized in the flavor and personal care industries as WS-23 , is a synthetic cooling agent that delivers a clean sensation.

It provides a non-menthol cooling effect without the associated taste or odor. Registered under FEMA 3804 , it is used across food, beverage, oral care, and cosmetic applications.

In flavored products including chewing gum, mints, and confectionery, it provides intense cooling at low use levels. This allows formulators to reduce or replace menthol entirely in their recipes.

Oral care manufacturers incorporate it into toothpastes, mouthwashes, and breath strips. It is preferred where a clean cooling effect is desired over a traditional mint flavor profile.

In personal care, it is used in lip balms, skin gels, and after-sun products. It delivers a sensory cooling effect that enhances the consumer perception of freshness and relief.

Home care formulators also use it in surface sprays and fabric conditioners. It adds a cooling freshness cue to the product experience, improving the overall brand perception for users.

The product is supplied as a white crystalline powder or in liquid carrier solutions. It is available in food-grade quality conforming to FEMA specifications for various industries.

Technical grades are also offered for non-ingestible applications. Typical supply formats include bulk powder and pre-diluted concentrates for ease of handling in manufacturing facilities.

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