CAS Registry Number

CAS 1638-22-8 — 4-n-Butylphenol

4-n-Butylphenol is an organic compound belonging to the phenol family, characterized by a butyl group attached to the fourth carbon of a phenolic ring. It is primarily used as an intermediate in the synthesis of antioxidants, UV stabilizers, and plasticizers, as well as in the production of pharmaceuticals and agrochemicals. This clear to pale yellow liquid has a faint phenolic odor and is soluble in organic solvents but sparingly soluble in water. With a CAS number of 1638-22-8, 4-n-Butylphenol is non-hazardous under normal conditions, requiring no signal word classification. It has a molecular formula of C10H14O and a molecular weight of 150.22 g/mol, with a boiling point of approximately 250–255°C and a density of around 0.94 g/cm³ at 20°C. Molekula supplies 4-n-Butylphenol from research to bulk quantities with full documentation and ISO 900