Hydrocinnamic acid, 3,5-di-t-butyl-4-hydroxy-, octadecyl ester
CAS 2082-79-3
CAS · 2082-79-3
Product Overview
Hydrocinnamic acid, 3,5-di-t-butyl-4-hydroxy-, octadecyl ester 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 powder |
|---|---|
| Assay, wt: | 98.5% min |
| Solubility - Clarification, Transmittance: | Light transmittance 425nm: 98% min Light transmittance 500nm: 99% min |
| Volatile, wt: | 0.2% max |
| Ash, wt: | 0.05% max |
| Melting point: | 50℃ - 55℃ |
Applications
Hydrocinnamic acid, 3,5-di-t-butyl-4-hydroxy-, octadecyl ester is a specialized antioxidant commonly used in polymer, plastic, and lubricant industries to prevent oxidative degradation. Its structure combines a sterically hindered phenolic group with a long-chain octadecyl ester, making it highly effective in stabilizing polymers such as polyethylene, polypropylene, and PVC against thermal and UV-induced oxidation. It is also used in lubricants, oils, and waxes to extend service life and maintain performance under high-temperature conditions. In addition, it serves as a stabilizer in coatings, adhesives, and elastomers, helping prevent discoloration, brittleness, and loss of mechanical properties over time. Its chemical compatibility with various organic materials and processing conditions makes it a reliable additive for industrial applications where long-term stability is critical.
Benefits
The benefits of this compound derive from its sterically hindered phenolic structure and long hydrophobic tail. The bulky t-butyl groups provide steric protection, preventing the phenolic hydroxyl from premature reaction, which enhances antioxidant efficiency. The octadecyl ester improves solubility in hydrophobic media, allowing even dispersion in polymers, lubricants, and coatings. This combination delivers long-lasting oxidative stabilization, reducing degradation, discoloration, and loss of mechanical properties during processing and in end-use applications. It also allows lower additive concentrations to achieve effective protection, optimizing cost-efficiency and performance. Additionally, the compound demonstrates high thermal stability, UV resistance, and compatibility with other stabilizers or additives, making it suitable for demanding industrial environments.
Conclusion
Hydrocinnamic acid, 3,5-di-t-butyl-4-hydroxy-, octadecyl ester (CAS 2082-79-3) is a highly effective antioxidant for polymers, lubricants, coatings, and other organic materials. Its sterically hindered phenolic structure combined with a long hydrophobic tail provides excellent oxidative stability, thermal resistance, and material protection. By enhancing longevity, performance, and reliability in industrial applications, it is a crucial additive for maintaining the quality and durability of high-performance materials.
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