Applications: Legitimate Use: Intermediate in pharmaceutical/fragrance synthesis (e.g., benzyl methyl ketone derivatives). Regulatory Note: Classified as a List I Precursor under UNODC guidelines due to potential misuse in illicit synthesis of controlled substances (e.g., MDMA). Safety: Hazards: Irritant (skin/eyes), flammable. Handling: Use PPE (gloves, goggles) in ventilated areas. Storage: In sealed containers, away from oxidizers/moisture at ≤25°C.