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4-(heptyloxy)butan-1-ol; CAS No.: 318256-94-9; 4-(heptyloxy)butan-1-ol. PROPERTIES: 4-(heptyloxy)butan-1-ol is an ether-containing alcohol with a molecular weight of approximately 190.3 g/mol. It typically exists as a colorless liquid with a mild alcoholic odor. The substance has a boiling point in the range of 160-165 C and a density of approximately 0.95 g/cm?. It exhibits moderate solubility in organic solvents such as ethanol, acetone, and hexane, and has limited water solubility. Proper storage requires a cool, dry environment in sealed containers. Safety considerations include classification as harmful if swallowed, causing skin irritation, and may cause eye irritation. Standard laboratory PPE is recommended. Occupational exposure follows general OSHA guidelines for alcohols. APPLICATIONS: 4-(heptyloxy)butan-1-ol serves as a versatile intermediate in the synthesis of surfactants, where the heptyloxy group provides hydrophobic character and the butanol group offers hydrophilic properties, creating amphiphilic molecules for emulsification. In pharmaceutical formulation, the compound is utilized as a solubilizing agent for poorly water-soluble drugs, enhancing bioavailability through micellar solubilization. The Journal of Colloid and Interface Science frequently reports on similar ether alcohols in surfactant chemistry. Additionally, 4-(heptyloxy)butan-1-ol functions as a building block in the synthesis of agrochemical adjuvants, though this application is outside the specified scope. The alcohol functionality enables esterification and etherification reactions, allowing for the formation of biodegradable surfactants with reduced environmental impact. Recent developments in green chemistry have demonstrated the use of this compound in the synthesis of biosurfactants through enzymatic catalysis for sustainable applications.