Product name: N,2,3-Trimethyl-2-isopropylbutamide Other Name: WS-23;Cooling agent WS-23 Kinds: WS-23, WS-3, WS-5, WS-12, WS-10, WS-27 Molecular Formula: C10H21NO Molecular Weight: 171.28 Appearance: White to Almost white Solid Purity: 99% CAS NO.: 51115-67-4 EINECS No.: 256-974-4 Supplier: ZhenYiBio Relative Cooling Strength at First Onset WS-5>WS-12>WS-3>Menthyl acetate>WS-23>Menthyl lactate Cooling Longevity WS-12>WS-5>WS-23>WS-3>Menthyl acetate>Menthyl lactate N,2,3-Trimethyl-2-isopropylbutanamide is a white, crystalline powder,which gives a physiological cooling sensation on skin or mucosa. It is mainly used to create cooling and freshness in oral care preparations. Uses Physiological coolant in foods, beverages, tobacco products, toiletries, cosmetics and pharmaceuticals.