13325-48-9

Usage

Uses

Used in Polymer and Plastics Industry:
Phenoxy, 2,6-bis(1,1-dimethylethyl)-4-ethylis used as an antioxidant for [enhancing the stability and durability of polymers and plastics] because of its ability to prevent degradation, thereby extending the lifespan and maintaining the quality of these materials.
Used in Rubber Industry:
In the rubber industry, Phenoxy, 2,6-bis(1,1-dimethylethyl)-4-ethylis used as a stabilizer for [improving the performance and resistance of rubber products], ensuring they remain functional and durable under various conditions.
Used in Fuel and Lubricant Industry:
Phenoxy, 2,6-bis(1,1-dimethylethyl)-4-ethylis used as a stabilizer in [fuels and lubricants to prevent degradation], which helps in maintaining their performance and reducing wear and tear on machinery.
Used in Cosmetics and Personal Care Industry:
In the cosmetics and personal care industry, Phenoxy, 2,6-bis(1,1-dimethylethyl)-4-ethylis used as a UV absorber for [protecting the skin from harmful ultraviolet radiation], making it an essential ingredient in sunscreens and other skincare products.
Used in Sunscreen Industry:
Phenoxy, 2,6-bis(1,1-dimethylethyl)-4-ethylis used as an active ingredient in [sunscreens for its UV absorption capabilities], contributing to the protection of the skin against the damaging effects of the sun's rays.

Upstream product

• 4130-42-1 2,6-di-tert-butyl-4-ethylphenol 
• 6738-27-8 2,6-di-tert-butyl-4-ethylidenecyclohexa-2,5-en-1-one 

Downstream Products

• 4130-42-1 2,6-di-tert-butyl-4-ethylphenol 
• 6738-27-8 2,6-di-tert-butyl-4-ethylidenecyclohexa-2,5-en-1-one 

Relevant academic research and scientific papers

Hydrogen Atom Abstraction by High-Valent Fe(OH) versus Mn(OH) Porphyrinoid Complexes: Mechanistic Insights from Experimental and Computational Studies

High-valent metal-hydroxide species have been implicated as key intermediates in hydroxylation chemistry catalyzed by heme monooxygenases such as the cytochrome P450s. However, in some classes of P450s, a bifurcation from the typical oxygen rebound pathway is observed, wherein the FeIV(OH)(porphyrin) species carries out a net hydrogen atom transfer reaction to form alkene metabolites. In this work, we examine the hydrogen atom transfer (HAT) reactivity of FeIV(OH)(ttppc) (1), ttppc = 5,10,15-tris(2,4,6-triphenyl)-phenyl corrole, toward substituted phenol derivatives. The iron hydroxide complex 1 reacts with a series of para-substituted 2,6-di-tert-butylphenol derivatives (4-X-2,6-DTBP; X = OMe, Me, Et, H, Ac), with second-order rate constants k2 = 3.6(1)-1.21(3) × 104 M-1 s-1 and yielding linear Hammett and Marcus plot correlations. It is concluded that the rate-determining step for O-H cleavage occurs through a concerted HAT mechanism, based on mechanistic analyses that include a KIE = 2.9(1) and DFT calculations. Comparison of the HAT reactivity of 1 to the analogous Mn complex, MnIV(OH)(ttppc), where only the central metal ion is different, indicates a faster HAT reaction and a steeper Hammett slope for 1. The O-H bond dissociation energy (BDE) of the MIII(HO-H) complexes were estimated from a kinetic analysis to be 85 and 89 kcal mol-1 for Mn and Fe, respectively. These estimated BDEs are closely reproduced by DFT calculations and are discussed in the context of how they influence the overall H atom transfer reactivity.

Possible mediators of the "living" radical polymerization

The stable radicals derived from different compounds were detected in process of styrene autopolymerization. The nitroxide radicals are produced from nitrosocompound, hindered hydroxylamine, nitrophenols and nitroanisoles. The phenoxyl radicals are formed from quinine methides, and naphtoxyl radicals are generated from 2-nitro-1-naphtol. The radicals are identified, the kinetics of their formation and follow-up evolution are studied. These radicals can participate in process of living radical polymerization as the mediators and can effect significantly on kinetics of polymerization and structure of the resulting polymer.