Description

P,P'-Octylidenebisphenol is a high-purity organic compound, specifically a bisphenol derivative with an octylidene bridge. This chemical serves as a versatile intermediate and additive, valued for its ability to impart stability and modify material properties in advanced formulations. It is essential for manufacturers in the polymer, specialty chemical, and material science industries seeking to enhance product performance and durability.

Application

• Polymer Stabilizer: Acts as an antioxidant and light stabilizer in plastics and synthetic resins to prevent degradation.
• Epoxy Resin Modifier: Used as a curing agent or flexibilizer to improve the toughness and thermal properties of epoxy systems.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex specialty chemicals and pharmaceuticals.
• Adhesive & Sealant Formulations: Incorporated to enhance the durability and environmental resistance of high-performance adhesives.
• Coating Additive: Improves the weatherability and chemical resistance of industrial and protective coatings.
• Rubber Antioxidant: Helps to extend the service life of rubber products by inhibiting oxidative aging.

Basic Information

Product Name	P,P'-Octylidenebisphenol
CAS No.	1233-26-7
Molecular Formula	C22H30O2
Molecular Weight	326.48 g/mol
Synonyms	4,4'-(Octylidenedi-p-phenylene)diphenol; 4,4'-(1,8-Octanediyl)bisphenol; 4,4'-Dihydroxyoctylidenebenzene; Bis(4-hydroxyphenyl)octylmethane; Octylidenebis(4-hydroxybenzene); Stabilizer OB; Antioxidant OB (trade names may vary)
EINECS	214-967-5

Quality Control

Our P,P'-Octylidenebisphenol is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing, including chromatography and spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee compliance with your specifications.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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