Description

4,4'-(1-Methylpropylidene)Bis[o-Cresol] is a specialized phenolic compound that serves as a versatile intermediate and antioxidant. Its molecular structure makes it valuable for applications requiring stabilization against oxidative degradation. This product is primarily utilized by manufacturers in the polymer, rubber, and specialty chemical industries, where it functions as a key additive to enhance material longevity and performance.

Application

• As a polymer antioxidant and stabilizer in plastics and synthetic rubbers.
• As an intermediate in the synthesis of more complex phenolic antioxidants and resins.
• In the formulation of lubricant and fuel additives to prevent oxidation and sludge formation.
• As a stabilizer in adhesives and sealants to improve shelf-life and thermal stability.
• In the production of specialty chemicals for the coatings and inks industry.
• As a research chemical in the development of new pharmaceutical and agrochemical intermediates.

Basic Information

Item	Detail
Product Name	4,4'-(1-Methylpropylidene)Bis[o-Cresol]
CAS No.	6420-65-1
Molecular Formula	C19H24O2
Molecular Weight	284.39 g/mol
Synonyms	2,2'-Butylidenebis(6-methylphenol); 4,4'-Butylidenebis(2-methylphenol); Bis(2-hydroxy-3-methylphenyl)butane; Antioxidant 2246; AO 2246; 2,2'-Methylenebis(6-tert-butyl-4-methylphenol) analog; Phenol, 4,4'-(1-methylpropylidene)bis[2-methyl-; 1,1-Bis(2-hydroxy-5-methylphenyl)butane
EINECS	229-164-7

Quality Control

Our 4,4'-(1-Methylpropylidene)Bis[o-Cresol] is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee consistency and reliability for your industrial processes.

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 of being easily oxidized, it is recommended to store under an inert atmosphere such as 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 structure
Assay (HPLC)	≥ 98.0%
Melting Point	120°C - 125°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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