Description

3-[5,7-Bis(1,1-Dimethylethyl)-2-Oxo-3(2H)-Benzofuranylidene]-5,7-Bis (1,1-Dimethylethyl)-2(3H)-Benzofuranone is a high-purity, specialized organic compound with the CAS number 75540-64-6. This compound is valued for its unique molecular structure, which makes it a critical intermediate in advanced chemical synthesis and materials science research. It is primarily sought after by R&D laboratories and industrial manufacturers in the fine chemicals, polymer additives, and advanced material sectors for developing novel products with enhanced properties.

Application

• Advanced Polymer Additive: Acts as a key intermediate in the synthesis of specialized stabilizers and antioxidants for high-performance plastics and elastomers.
• Fine Chemical Synthesis: Serves as a crucial building block for creating complex organic molecules in pharmaceutical and agrochemical research.
• Material Science Research: Used in the development of novel organic electronic materials and photoactive compounds.
• UV Absorber/Stabilizer Precursor: A foundational component in the production of additives designed to protect materials from photodegradation.
• Laboratory Reagent: Employed as a high-purity standard and reagent in analytical chemistry and method development.

Basic Information

Item	Detail
Product Name	3-[5,7-Bis(1,1-Dimethylethyl)-2-Oxo-3(2H)-Benzofuranylidene]-5,7-Bis (1,1-Dimethylethyl)-2(3H)-Benzofuranone
CAS No.	75540-64-6
Molecular Formula	C34H44O4
Molecular Weight	516.72 g/mol
Synonyms	5,7-Di-tert-butyl-3-(5,7-di-tert-butyl-2-oxobenzofuran-3(2H)-ylidene)isobenzofuran-1(3H)-one; 3,3'-(2-Oxo-1,3-benzofurane-3,1-diyl)bis(5,7-di-tert-butyl-1-benzofuran-2-one); UV Absorber 384 Precursor; Bis(5,7-di-tert-butyl-3-oxo-1-benzofuran-2-ylidene) Compound; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of our 3-[5,7-Bis(1,1-Dimethylethyl)-2-Oxo-3(2H)-Benzofuranylidene]-5,7-Bis (1,1-Dimethylethyl)-2(3H)-Benzofuranone undergoes rigorous quality testing to ensure compliance with stringent industry standards. Our quality management system ensures traceability and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available for every shipment upon request.

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 heat, sparks, and open flame. Due to its light-sensitive nature, handling and transfer should be minimized under direct light exposure.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (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.