Description

Diphenylphenol is a versatile organic compound widely utilized as a key intermediate and functional additive in advanced chemical synthesis. Its unique phenolic structure provides excellent antioxidant and stabilizing properties, making it valuable for protecting materials from degradation. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to enhance product performance and longevity.

Application

• Polymer Stabilizer: Acts as an antioxidant and light stabilizer in plastics and synthetic rubbers to prevent thermal and UV degradation.
• Chemical Intermediate: Serves as a crucial building block in the synthesis of more complex molecules for pharmaceuticals and agrochemicals.
• Lubricant Additive: Used in formulating high-performance industrial lubricants and greases to improve oxidation resistance.
• Dye and Pigment Manufacturing: Employed in the production of certain colorants and photographic chemicals.
• Resin Modifier: Imparts specific properties like improved hardness or weather resistance to epoxy and phenolic resins.
• Research & Development: Used in laboratory settings for method development and as a reference standard in analytical chemistry.

Basic Information

Product Name	Diphenylphenol
CAS No.	6093-03-4
Molecular Formula	C₁₈H₁₄O
Molecular Weight	246.31 g/mol
Synonyms	2,6-Diphenylphenol; o-Diphenylphenol; 2-Hydroxy-m-terphenyl; 2,6-Diphenylphenol; 2-Phenylbiphenyl-2'-ol; NSC 404108; Biphenyl-2-ol, 2-phenyl-
EINECS	228-056-8

Quality Control

Our Diphenylphenol is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	96 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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