Description

4,4'-(2-Methylpropylidene)Bis[2,6-Xylenol] is a specialized phenolic compound, specifically a hindered bisphenol derivative. This chemical is valued for its role as a high-performance antioxidant and stabilizer in polymer systems, where it effectively inhibits oxidative degradation. It is primarily needed by manufacturers in the plastics, rubber, and specialty chemical industries seeking to enhance the longevity and thermal stability of their products. Its specific structure makes it a critical intermediate for advanced material synthesis.

Application

• Polymer Antioxidant: Acts as a primary antioxidant to prevent thermal and oxidative degradation in polyolefins (e.g., polyethylene, polypropylene), engineering plastics, and synthetic rubbers.
• Stabilizer Intermediate: Serves as a key building block in the synthesis of more complex hindered phenol antioxidants and light stabilizers.
• Lubricant & Fuel Additive: Used in formulating additives for engine oils, industrial lubricants, and fuels to improve oxidative stability and reduce sludge formation.
• Adhesive & Sealant Formulations: Enhances the durability and resistance to aging in high-performance adhesives, sealants, and coatings.
• Elastomer Stabilization: Protects synthetic elastomers like SBR, NBR, and EPDM from cracking and loss of physical properties caused by heat and oxygen exposure.

Basic Information

Item	Details
Product Name	4,4'-(2-Methylpropylidene)Bis[2,6-Xylenol]
CAS No.	93919-14-3
Molecular Formula	C21H28O2
Molecular Weight	312.45 g/mol
Synonyms	2,2'-Methylenebis(4-methyl-6-tert-butylphenol); 4,4'-Butylidenebis(2-tert-butyl-5-methylphenol); Antioxidant 2246; AO 2246; Bisphenol C; 2,2'-Methylenebis(6-tert-butyl-4-methylphenol); Lowinox 22M46; Santowhite Powder
EINECS	Contact for details

Quality Control

Our production of 4,4'-(2-Methylpropylidene)Bis[2,6-Xylenol] adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Products undergo rigorous testing, including assay, melting point determination, and impurity profiling. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	125 - 130 °C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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