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CAS NO.: 3228-03-3;3-isopropyl-5-methylphenol. PROPERTIES: This substituted phenol appears as a colorless liquid with a molecular weight of approximately 166.2 g/mol. The 3-isopropyl-5-methylphenol combines isopropyl and methyl substituents on a phenol ring. It exhibits limited aqueous solubility but good dissolution in organic solvents like ethanol and diethyl ether. Stability characterization reveals sensitivity to oxidative degradation and light exposure, necessitating storage at 2-8 degree Celsius in amber glass containers. Handlers should use powder hoods with HEPA filtration and wear cut-resistant gloves during handling. Skin contact may cause mild irritation requiring thorough washing. Inhalation may induce respiratory tract irritation; treatment includes fresh air and medical evaluation. Eye exposure requires extended rinsing and possible corticosteroid application. Waste should be hydrolyzed with dilute acid prior to disposal. APPLICATIONS: The 3-isopropyl-5-methylphenol serves as a key intermediate in the synthesis of flavor compounds and fragrance materials. Its phenolic framework provides characteristic woody and spicy aromas. Research teams utilize this compound as a starting material for creating agrochemical intermediates (excluding agricultural applications) and food flavor enhancers. The isopropyl and methyl groups enhance solubility in lipid phases compared to parent phenol. Additionally, the compound undergoes alkylation and acylation for constructing diverse bioactive molecules. Its unique substitution pattern makes it valuable in the development of specialty chemicals for the flavor and fragrance industry.