Irganox 1520
Irganox 1520 (CAS 110553-27-0) is a sterically hindered phenolic antioxidant commonly used as a stabilizer in polymers, lubricants and fuel systems where long-term thermal and oxidative stability is required. The molecule contains bulky alkylthio substituents that help trap free radicals and interrupt oxidative chain reactions, thereby protecting base polymers and oils from discoloration, embrittlement and molecular weight degradation.
KieRay Chem supplies Irganox 1520 with consistent specifications and documentation, helping manufacturers secure a steady supply of this effective stabilizer. We provide guidance on recommended loading levels, compatibility with polymer matrices and processing temperatures, and support for scale-up to industrial production with reliable packaging and delivery options. Irganox 1520 is selected by formulators and purchasing teams that need dependable identity, consistent handling, and repeatable performance from batch to batch. KieRay Chem supports customers with responsive technical communication, careful document control, export-ready packing, and stable supply planning. Our team can coordinate specification confirmation, sample evaluation, production scheduling, and international logistics so that this CAS 110553-27-0 material is easier to qualify and reorder.
1. Polymer stabilization: Irganox 1520 is used to protect polyolefins, elastomers, engineering plastics and other polymers from thermal and oxidative degradation during processing and service life. Its hindered phenolic structure scavenges peroxy radicals, reducing chain scission and embrittlement and preserving mechanical properties and color. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
2. Lubricant and oil antioxidants: the antioxidant properties of Irganox 1520 extend to base oils and lubricants where it helps retard oxidation, reduce sludge and varnish formation, and extend service intervals. It is compatible with a range of mineral and synthetic oil formulations and provides long-term thermal stability. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
3. Processing aids and masterbatch use: Irganox 1520 can be incorporated into masterbatches or added directly during melt compounding to improve polymer resilience under high-temperature processing. It aids in maintaining polymer molecular weight distribution and reduces volatilization losses compared to lower-molecular-weight antioxidants. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
4. Food-contact and technical applications: when regulatory requirements permit, Irganox 1520 is used in technical components that require resistance to thermal aging (e.g., hoses, gaskets and sealants). Loadings and migration behavior must be evaluated per end-use regulatory needs; KieRay Chem can assist with selection of suitable stabilizer systems. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
5. Synergistic stabilization systems: Irganox 1520 is often used in combination with phosphite stabilizers and HALS to provide both primary and secondary antioxidant protection. These synergy effects enhance high-temperature oxidation resistance and prolong the effective stabilization window in demanding applications. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
6. Handling and supplier support: KieRay Chem offers Irganox 1520 with COA and storage recommendations to preserve performance. Benefits include high potency at low loading, good compatibility with common polymer matrices and reliable supply backed by technical support for dosage optimization and processing guidance. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1520 (CAS 110553-27-0).
Product Name: Irganox 1520
For global customers, we provide complete technical documentation to support product evaluation, regulatory compliance and safe handling during transportation and application.