Description

Bis[2-Hydroxy-5-Methyl-3-(1-Methylcyclohexyl)Phenyl]Methane is a specialized phenolic compound that serves as a high-performance intermediate and additive in advanced material formulations. Its unique sterically hindered phenolic structure provides excellent antioxidant and stabilizing properties, making it critical for protecting polymers and other sensitive materials from thermal and oxidative degradation. This product is essential for manufacturers in the polymer, specialty chemical, and coatings industries seeking to enhance the longevity and performance stability of their high-value products.

Application

• Polymer Stabilizer: Acts as a highly effective primary antioxidant in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal-oxidative degradation during processing and end-use.
• Additive for Lubricants and Fuels: Used as an antioxidant additive in industrial lubricants, greases, and fuel systems to inhibit sludge formation and extend service life.
• Coating and Adhesive Formulations: Incorporated into specialty coatings, paints, and adhesive systems to prevent embrittlement and discoloration caused by oxidation.
• Elastomer and Rubber Processing: Protects synthetic elastomers from scorching during vulcanization and improves aging resistance in finished rubber goods.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex antioxidants, UV stabilizers, and other performance additives.

Basic Information

Product Name	Bis[2-Hydroxy-5-Methyl-3-(1-Methylcyclohexyl)Phenyl]Methane
CAS No.	77-62-3
Molecular Formula	C29H40O2
Molecular Weight	420.63 g/mol
Synonyms	2,2'-Methylenebis(6-(1-methylcyclohexyl)-4-methylphenol); Bis(2-hydroxy-3-(1-methylcyclohexyl)-5-methylphenyl)methane; Antioxidant 2246-S; 1,1'-Methylenebis[6-(1-methylcyclohexyl)-4-methylphenol]; Phenol, 2,2'-methylenebis[6-(1-methylcyclohexyl)-4-methyl-; Lowinox® 22M46; AO-2246; CAS 77-62-3
EINECS	201-043-5

Quality Control

Our production of Bis[2-Hydroxy-5-Methyl-3-(1-Methylcyclohexyl)Phenyl]Methane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed against comprehensive specifications using advanced techniques like HPLC and GC. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment, ensuring full traceability and compliance with customer and industry requirements.

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, prolonged exposure to air should be minimized. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	125°C - 135°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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