Description

2,2'-(1,3-Phenylenediisopropylidene)Bis[4,6-Xylenol] is a high-purity phenolic compound, also known as CAS NO 61660-45-5, valued for its role as a versatile chemical intermediate and stabilizer. Its molecular structure makes it particularly effective in applications requiring antioxidant properties and controlled chemical reactivity. This product is essential for manufacturers in the polymer, specialty chemical, and advanced material sectors seeking to enhance product longevity and performance.

Application

• Polymer Additive: Acts as an antioxidant and stabilizer in plastics and synthetic rubbers to prevent thermal and oxidative degradation.
• Chemical Intermediate: Used in the synthesis of more complex organic molecules, including specialty resins and high-performance polymers.
• Adhesive & Sealant Formulations: Imparts stability and improves the shelf-life of industrial adhesive and sealant products.
• Lubricant & Fuel Additive: Serves as an antioxidant component in industrial lubricants and fuel systems to inhibit gum formation.
• Pharmaceutical Intermediates: Employed in controlled synthesis processes for advanced pharmaceutical active ingredients.
• Research & Development: A key reagent in academic and industrial R&D for material science and organic chemistry studies.

Basic Information

Product Name	2,2'-(1,3-Phenylenediisopropylidene)Bis[4,6-Xylenol]
CAS No.	61660-45-5
Molecular Formula	C29H34O2
Molecular Weight	414.58 g/mol
Synonyms	2,2'-[(1,3-Phenylenebis(1-methylethylidene)]bis(4,6-dimethylphenol); 4,4'-(1,3-Phenylenediisopropylidene)bis(2,6-dimethylphenol); Phenol, 2,2'-(1,3-phenylenebis(1-methylethylidene))bis[4,6-dimethyl-; Bisphenol Derivative; Antioxidant 61660-45-5; Phenolic Stabilizer; Bisxylenol Derivative
EINECS	Contact for details

Quality Control

Our 2,2'-(1,3-Phenylenediisopropylidene)Bis[4,6-Xylenol] is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (GMP), and all materials are compliant with major global regulatory frameworks. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized and should be stored 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	155°C - 165°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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