CAS · 88-58-4
Product Overview
2,5-Di-tert-butylhydroquinone is a high-purity antioxidants supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | White or slightly red powder |
|---|---|
| 2,5-Di-tert-butylhydroquinone, w | 98.5% min |
| Loss on drying | 0.3% max |
| Ash, w | 0.1% max |
| Heavy metals (as Pb) | 5 mg/kg max |
| Melting point | 212–218 °C |
Applications
2,5-Di-tert-butylhydroquinone is a substituted hydroquinone widely used as an antioxidant and polymerization inhibitor in industrial and chemical applications. It is commonly applied in the stabilization of polymers, resins, elastomers, and plastics to prevent oxidative degradation during processing, storage, and end use. The compound is also used as a polymerization inhibitor for monomers such as styrenes, acrylates, and unsaturated hydrocarbons, helping to control unwanted radical reactions. In organic synthesis, it serves as a specialty antioxidant and intermediate for the preparation of fine chemicals and functional materials. Additionally, it is employed in lubricant formulations, fuels, and coatings where long-term oxidative stability is required.
Benefits
2,5-Di-tert-butylhydroquinone offers significant advantages due to its strong antioxidant efficiency and chemical stability. The bulky tert-butyl groups enhance steric protection around the phenolic hydroxyls, improving resistance to thermal and oxidative degradation compared with unsubstituted hydroquinone. This structure enables effective free-radical scavenging even at low concentrations, extending product shelf life and performance. The compound exhibits good compatibility with a wide range of organic matrices and maintains stability under high-temperature processing conditions. Its reliable inhibition of oxidative and polymerization reactions makes it a preferred choice for industrial stabilization applications.
Conclusion
2,5-Di-tert-butylhydroquinone is a highly effective antioxidant and polymerization inhibitor with broad applications in polymers, fuels, lubricants, and chemical manufacturing. Its benefits, including strong radical-scavenging activity, thermal stability, and compatibility with diverse formulations, make it an essential additive for protecting materials against oxidative degradation. The compound continues to play an important role in improving durability, safety, and performance across multiple industrial sectors.
Previous
Methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate丨CAS 6386-38-5
Next