Description

[3,5-Bis(2H-Benzotrizol-2-Yl)-2,4-Dihydroxyphenyl]Phenyl-Methanone is a high-performance benzotriazole derivative, a specialized class of organic compounds valued for their exceptional light-absorbing properties. This compound matters as a highly effective ultraviolet (UV) light absorber and stabilizer, protecting materials from photodegradation and extending their functional lifespan. It is primarily needed by manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance the durability and color stability of their products under prolonged UV exposure.

Application

This advanced UV absorber is utilized across various industries where material stability is paramount. Key application scenarios include:

• Polymer Stabilization: As a critical additive in plastics (e.g., polycarbonate, PVC, polyolefins) and synthetic fibers to prevent yellowing, embrittlement, and loss of mechanical strength caused by UV radiation.
• High-Performance Coatings & Paints: Incorporated into automotive, industrial, and architectural coatings to maintain gloss, prevent chalking, and preserve color integrity.
• Advanced Adhesives & Sealants: Used to ensure the long-term performance and adhesion properties of products exposed to sunlight.
• Specialty Films and Packaging: Applied in agricultural films, packaging materials, and optical films to block harmful UV light and protect contents.
• Cosmetic & Personal Care Ingredients: Serves as a UV filter in sunscreen formulations and products requiring photostability.
• Industrial Additive Blends: A key component in masterbatches and additive packages designed for outdoor and demanding applications.

Basic Information

Product Name	[3,5-Bis(2H-Benzotrizol-2-Yl)-2,4-Dihydroxyphenyl]Phenyl-Methanone
CAS No.	86936-87-0
Molecular Formula	C26H18N6O3
Molecular Weight	462.46 g/mol
Synonyms	2,2'-(2,4-Dihydroxy-3-benzoyl-1,3-phenylene)bisbenzotriazole; Phenol, 2,4-dihydroxy-3-(phenylcarbonyl)-, bis(benzotriazol-2-yl) deriv.; UV-234 (common industry designation); 2-(2H-Benzotriazol-2-yl)-4,6-bis(2-phenyl-2H-benzotriazol-4-yl)phenol (alternative representation); Bisbenzotriazole phenyl methanone derivative; Light stabilizer 234; Benzotriazole-based UV absorber; Phenylmethanone, [3,5-bis(2H-benzotriazol-2-yl)-2,4-dihydroxyphenyl]-
EINECS	Contact for details

Quality Control

Our production of [3,5-Bis(2H-Benzotrizol-2-Yl)-2,4-Dihydroxyphenyl]Phenyl-Methanone adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with relevant industry specifications. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and UV absorbance are available upon request 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 incompatible materials and sources of heat. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product efficacy.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms to standard
Melting Point	≥ 195°C
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
UV Absorbance	Conforms
Residue on Ignition	≤ 0.1%

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