Vaping vs Smoking: Key Differences Explained Vape Direct Natural Food Grade Cooling Agent Raw material Koolada Menthol Cooling Agent Koolada Coolada Cooler Coolants Powder Liquid WS 23,WS 5,WS 3, WS 12, WS 10, WS 27, WS 150, WS 167, WS 170, WS 200 Menthol acetate, menthol crystal for make food cooling agents include WS 3 and WS 23,etc, WS 23 CAS no. 51115 67 4 Chemical name N,2,3 trimethyl 2 isopropylbutamide 2 Isopropyl N,2,3 trimethylbutyramide Application: confectionery products, dairy products, beverage, chewing gum, tobacco, Oral care Clearly flavored: the rise of clear e cigarettes