Description

Description

N,N-Dioctadecylhydroxylamine (CAS No. 143925-92-2) is a high-purity, long-chain hydroxylamine derivative with the molecular formula C₃₆H₇₅NO. This compound features two octadecyl (C18) chains bonded to a central hydroxylamine functional group, making it an effective stabilizer and antioxidant in polymer formulations. With a molecular weight of 537.99 g/mol, it is particularly useful in high-temperature applications due to its hydrophobic nature and thermal stability. Ideal for research and industrial use, this compound is supplied as a white to off-white solid with >95% purity (GC). It is soluble in organic solvents such as toluene, chloroform, and hexane, but insoluble in water. N,N-Dioctadecylhydroxylamine is widely utilized as a non-discoloring antioxidant in plastics, synthetic rubbers, and lubricants, ensuring prolonged material integrity under oxidative stress.

Application

N,N-Dioctadecylhydroxylamine serves as a highly effective antioxidant and stabilizer in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal degradation during processing. It is also used in synthetic rubbers and lubricants to enhance oxidative stability under high-temperature conditions. Additionally, this compound finds applications in coatings and adhesives where long-term resistance to environmental oxidation is critical. Its non-discoloring properties make it suitable for use in clear or lightly colored polymer formulations.

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