Description

2,2'4,4'-Tetrahydroxybenzophenone And 2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone is a specialized benzophenone derivative blend, primarily recognized for its efficacy as a light absorber. This compound matters for formulators seeking to enhance the photostability of materials susceptible to UV degradation. It is a critical component for manufacturers in the polymer, coating, and personal care industries who require reliable protection against light-induced aging and discoloration.

Application

• Polymer Stabilizer: Incorporated into plastics, resins, and synthetic fibers to prevent UV-induced chain scission, yellowing, and loss of mechanical properties.
• Coating Additive: Used in paints, varnishes, and industrial coatings to protect the underlying substrate and maintain color integrity under sunlight exposure.
• Personal Care Ingredient: Functions as a UV filter in sunscreen formulations and cosmetic products to protect skin from harmful ultraviolet radiation.
• Adhesive & Sealant Formulations: Enhances the weatherability and long-term performance of adhesives and sealants used in construction and automotive applications.
• Photoresist & Electronic Materials: Employed in light-sensitive formulations for the electronics industry, where controlled light absorption is required.
• Agricultural Film Stabilizer: Added to greenhouse and mulch films to extend their functional lifespan by mitigating solar degradation.

Basic Information

Product Name	2,2'4,4'-Tetrahydroxybenzophenone And 2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone
CAS No.	1341-54-4
Molecular Formula	C14H12O6 / C15H14O5
Molecular Weight	276.24 g/mol / 274.27 g/mol
Synonyms	Benzophenone-2; BP-2; UV Absorber BP2; Uvinul D50; 2,2',4,4'-Tetrahydroxybenzophenone; 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone; 4,4'-Dimethoxy-2,2'-dihydroxybenzophenone; THB; DHDMB; Light Absorber 1341-54-4
EINECS	215-708-2

Quality Control

Our production of 2,2'4,4'-Tetrahydroxybenzophenone And 2,2'-Dihydroxy-4,4'-Dimethoxybenzophenone adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with industry specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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