Description

5,7-Bis(1,1-Dimethylethyl)-3-[2,3-Dimethylphenyl]-2(3H)-Benzofuranone is a specialized organic compound belonging to the benzofuranone class, valued for its role as a key synthetic intermediate and stabilizer. Its molecular structure, featuring sterically hindered tert-butyl groups, makes it particularly effective in applications requiring high-performance antioxidant and light-stabilizing properties. This compound is essential for manufacturers in the polymer, specialty chemical, and advanced material sectors seeking to enhance product durability and longevity.

Application

• Polymer Additive: Acts as a high-efficiency antioxidant and light stabilizer in plastics and synthetic rubbers to prevent thermal and UV degradation.
• Specialty Chemical Synthesis: Serves as a crucial building block for synthesizing complex organic molecules, including pharmaceuticals and agrochemicals.
• Material Science: Used in the development of advanced coatings and resins to improve weatherability and chemical resistance.
• Lubricant & Fuel Stabilizer: Incorporated into formulations to inhibit oxidation and extend the service life of industrial lubricants and fuels.
• Research & Development: Employed in academic and industrial R&D for studying free radical chemistry and developing new stabilization technologies.

Basic Information

Product Name	5,7-Bis(1,1-Dimethylethyl)-3-[2,3-Dimethylphenyl]-2(3H)-Benzofuranone
CAS No.	201815-03-4
Molecular Formula	C24H30O2
Molecular Weight	350.50 g/mol
Synonyms	5,7-Di-tert-butyl-3-(2,3-dimethylphenyl)-2(3H)-benzofuranone; 3-(2,3-Dimethylphenyl)-5,7-di-tert-butyl-2-benzofuran-1-one; 5,7-Di-tert-butyl-3-(2,3-xylyl)-2(3H)-benzofuranone; 2(3H)-Benzofuranone, 5,7-bis(1,1-dimethylethyl)-3-(2,3-dimethylphenyl)-; BDB; Light stabilizer 201815-03-4
EINECS	Contact for details

Quality Control

Our 5,7-Bis(1,1-Dimethylethyl)-3-[2,3-Dimethylphenyl]-2(3H)-Benzofuranone is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.