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  2. 4-tert-Butylphenol - Wikipedia

    en.wikipedia.org/wiki/4-tert-Butylphenol

    Bisphenol A is difunctional and used to produce epoxy resin and polycarbonate. 4-tert-Butylphenol is monofunctional and so in polymer science terms, bisphenol A is a polymer chain extender but 4-tert-butylphenol is a chain stopper or sometimes called endcapper. It is thus use to control molecular weight by limiting chain growth.

  3. 2,4-Di-tert-butylphenol - Wikipedia

    en.wikipedia.org/wiki/2,4-di-tert-butylphenol

    2,4-Di-tert-butylphenol (2,4-DTBP) is a white solid with a phenolic odour. It is primarily used as a raw material for the production of several commercially important antioxidants and phenolic benzotriazole -type UV absorbers .

  4. 1,3,5-Tris(4-(tert-butyl)-3-hydroxy-2,6-dimethylbenzyl)-1,3,5 ...

    en.wikipedia.org/wiki/1,3,5-Tris(4-(tert-butyl...

    Firstly, 2,4-dimethyl-6-tert-butylphenol is reacted with formaldehyde and HCl (Blanc reaction) to generate a chloromethyl group in the less hindered meta position. This intermediate then reacts with cyanuric acid to give the desired product.

  5. Butylated hydroxytoluene - Wikipedia

    en.wikipedia.org/wiki/Butylated_hydroxytoluene

    Like many closely related phenol antioxidants, BHT has low acute toxicity [6] (e.g., the desmethyl analog of BHT, 2,6-di-tert-butylphenol, has an LD 50 of >9 g/kg [11]). The US Food and Drug Administration classifies BHT as generally recognized as safe (GRAS) food preservative when used in an approved manner.

  6. 2,4,6-Tri-tert-butylphenol - Wikipedia

    en.wikipedia.org/wiki/2,4,6-Tri-tert-butylphenol

    The oxidation of 2,4,6-tri-tert-butylphenol in the alkaline to the intensely blue-colored phenoxy radical can also occur with potassium ferricyanide. [1] [9] [6] The 2,4,6-tri-tert-butylphenoxy radical forms blue crystals on cooling to -70 °C which are stable at room temperature for several weeks and only gradually turn yellow. [9]

  7. 2,6-Di-tert-butylphenol - Wikipedia

    en.wikipedia.org/wiki/2,6-Di-tert-butylphenol

    2,6-di-tert-butylphenol is a precursor to more complex compounds used as antioxidants and light-protection agents for the stabilization for polymers. Of particular note is methyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate (CAS# 6386-38-5), which is formed by the Michael addition of methyl acrylate.

  8. Tris(2,4-di-tert-butylphenyl)phosphite - Wikipedia

    en.wikipedia.org/wiki/Tris(2,4-di-tert-butyl...

    Tris(2,4-di-tert-butylphenyl)phosphite is an organophosphorus compound with the formula [(C 4 H 9) 2 C 6 H 3 O] 3 P. This white solid is a widely used stabilizer in polymers where it functions as a secondary antioxidant. It also reduces discoloration (yellowing) of plastics.

  9. Polymerisation inhibitor - Wikipedia

    en.wikipedia.org/wiki/Polymerisation_inhibitor

    For styrene, nitrophenol compounds such as dinitro-ortho-cresol and di-nitro-sec-butylphenol (DNBP) have long been the important, [7] however they are coming under regulatory pressure due to their high toxicity.