Item Details
Product Name:Cooling Agent WS‑23
Chemical Name:N,2,3‑Trimethyl‑2‑isopropylbutanamide (2‑Isopropyl‑N,2,3‑trimethylbutyramide)
CAS No.:51115‑67‑4
FEMA No.:3804
EC / EINECS No.:256‑974‑4
Molecular Formula:C₁₀H₂₁NO
Molecular Weight:171.28
HS Code: 2924299090
Physical & Chemical Properties
Appearance: White crystalline powder
Odor & Taste: Virtually odorless, no mint smell, pure cooling sensation, no bitter after‑taste, no burning or numbing irritation
Melting Point: 60‑63 °C
Purity (GC): ≥99.0%
Acid Value (KOH): ≤1.0 mg/g
Heavy Metal (Pb): ≤10 mg/kg; Arsenic (As): ≤3 mg/kg
Solubility: Easily soluble in ethanol, propylene glycol, vegetable oils and flavor solvents; sparingly soluble in cold water, soluble in hot water
Thermal Stability: High heat‑resistance, stable under high‑temperature processing, low volatility
Key Features
Pure cooling effect, almost no inherent odor, will not mask fruit, tea or other flavor notes
Smooth and mild sensory performance; no stinging, bitter, numbing feeling compared with menthol
Cooling sensation mainly acts on front tongue and oral cavity, clean palate after‑feeling
Good thermal stability, suitable for hot filling, baking and high‑temperature production processes
Low‑dosage high‑efficiency; small addition achieves obvious cooling performance
Good compatibility, can be compounded with menthol, WS‑3, WS‑5, menthyl lactate for synergistic cooling effect
Food‑grade safety, FEMA GRAS approved for food, oral care and cosmetic applications within recommended dosage