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Structure of 1138-52-9
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3,5-Di-tert-butylphenol features two bulky tert-butyl groups flanking a phenolic hydroxyl, creating a sterically shielded aromatic system. This configuration imparts exceptional thermal and oxidative stability, making it ideal for use in high-performance antioxidants and polymer stabilizers. The electron-donating nature of the substituents enhances reactivity in radical scavenging processes.
3,5-Di-tert-butylphenol serves as a sterically hindered phenolic building block enabling robust protection strategies and facilitating selective functionalization in complex synthesis. Its ortho-tert-butyl groups confer exceptional bench stability and resistance to oxidation, while the phenolic OH group participates reliably in esterification, etherification, and metal-catalyzed coupling reactions. Functions as a key intermediate in the construction of hindered antioxidants and chiral ligands.
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GHS Pictogram :
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GHS No : GHS05
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Signal Word : Danger
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UN#: 2430
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Class : 8
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Packing Group : Ⅲ
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Hazard Statements : H314-H318-H413
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Precautionary Statements : P260-P264-P273-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P363-P405-P501
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Lot numbers can be found on the outside label of a product: