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Product name 2,4-di-tert-butylphenol
Synonyms 2,4-DTBP
Prodox 146
Antioxidant 33
GOST no data
CAS 96-76-4

2,4-Di-tert-butylphenol is clear to pale yellow semi solid; almost insoluble in water; soluble in methanol, ether, acetone, chloroform. 2,4-Di-tert-butylphenol possesses characterictic sterically hindered phenol properties.


2,4-Di-tert-butylphenol is manufactured by phenol alkylation with tert-butyl alcohol or isobutylene.


  • 2,4-Di-tert-butylphenol is a raw material for phosphite anti-oxidants. The antioxidants are primarily used in the manufacture of polyolefins;
  • 2,4 DTBP is used as an intermediate for the preparation of UV stabilizers;
  • in manufacturing of pharmaceuticals and fragrances;

  • Manufacturer(s) CJSC Sterlitamak Petrochemical Plant
    Chemical structure of 2,4-di-tert-butylphenol

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