CAS Registry Number

CAS 1219-38-1 — n-Octyl 4-hydroxybenzoate

n-Octyl 4-hydroxybenzoate is a synthetic preservative widely used in cosmetics, pharmaceuticals, and food packaging to prevent microbial growth. It functions as a paraben alternative, offering broad-spectrum antimicrobial activity while maintaining stability in formulations. This clear, odorless liquid is soluble in oils and organic solvents but insoluble in water, ensuring compatibility with hydrophobic systems. The chemical has a CAS number of 1219-38-1, carries no signal word under GHS classification, and is typically supplied as a high-purity, colorless liquid with a minimum assay of 99%. It is non-hazardous under normal handling conditions, making it suitable for sensitive applications. Molekula supplies n-Octyl 4-hydroxybenzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.