For research and development scientists, understanding the fundamental mechanisms of chemical additives is crucial for innovation. N-Nitroso-N-phenylhydroxylamine aluminum salt (CAS 15305-07-4), often identified as Polymerization Inhibitor 510, is a critical component in stabilizing reactive monomers and oligomers. Its efficacy as a free radical scavenger forms the basis of its widespread use in industries ranging from coatings and inks to adhesives and resins.

The Mechanism of Free Radical Scavenging

Polymerization reactions, particularly free radical polymerization, are initiated by the presence of free radicals. These highly reactive species possess an unpaired electron, enabling them to attack monomer molecules and propagate long polymer chains. Inhibitors like N-Nitroso-N-phenylhydroxylamine aluminum salt interrupt this process by donating an electron or a hydrogen atom to the propagating radical or initiating radical. This interaction converts the highly reactive radical into a more stable, non-propagating species, effectively terminating the chain reaction.

N-Nitroso-N-phenylhydroxylamine Aluminum Salt: Structure and Functionality

The chemical structure of N-Nitroso-N-phenylhydroxylamine aluminum salt, with its nitrated organic groups complexed with aluminum, is key to its inhibitory action. The N-N=O moiety, along with the hydroxyl group, are implicated in its radical scavenging capabilities. This makes it particularly effective in systems where free radical formation is a concern, such as during the storage of UV-curable formulations, acrylate oligomers, and vinyl monomers. For R&D professionals looking to buy CAS 15305-07-4, understanding this mechanism is vital for effective formulation design.

Ensuring Product Integrity for Formulators

When scientists and formulators select N-Nitroso-N-phenylhydroxylamine aluminum salt, they are choosing a proven method to ensure product integrity. Its role in extending the shelf life of monomers and resins is invaluable, allowing for reliable product manufacturing and distribution. The typical purity of 99.5% offered by reputable suppliers means that researchers can depend on consistent performance in their experiments and product development cycles. As a leading manufacturer and supplier in China, we provide this essential chemical intermediate with a focus on quality and consistency.

Impact on Industrial Applications

The application of this inhibitor is diverse. In coatings and inks, it prevents premature curing, ensuring the product remains liquid until exposed to UV light or other curing agents. For adhesives, it maintains workability. Its effectiveness in preventing spontaneous polymerization in vinyl monomers and acrylate oligomers is critical for safety and material quality. Researchers seeking to optimize formulation stability will find that N-Nitroso-N-phenylhydroxylamine aluminum salt, when sourced from a reliable manufacturer, offers a cost-effective solution.

Sourcing for R&D Needs

For R&D departments, the ability to purchase small to moderate quantities of high-purity chemicals is often required. We cater to these needs, offering competitive pricing and a commitment to quality. When your research demands a reliable source of polymerization inhibitor 510, consider our specialized offering.

The scientific understanding of N-Nitroso-N-phenylhydroxylamine aluminum salt’s mechanism underscores its importance as a polymerization inhibitor. Its consistent performance and wide applicability make it a cornerstone additive for many chemical formulations.