Description

2,2',4,4'-Tetrahydroxybenzophenone is a multi-functional phenolic compound that serves as a versatile intermediate and active component in advanced material science. Its value lies in its ability to act as a potent ultraviolet (UV) absorber and a building block for high-performance polymers and stabilizers. This product is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product durability and performance.

Application

• Polymer Additive: Acts as a light stabilizer and antioxidant in plastics and synthetic fibers to prevent UV-induced degradation.
• Coating Formulations: Incorporated into paints, varnishes, and protective coatings to provide UV screening and improve weatherability.
• Chemical Intermediate: Serves as a key precursor in the synthesis of more complex benzophenone derivatives and specialty chemicals.
• Adhesive & Sealant Industry: Used to enhance the long-term stability and performance of adhesives exposed to sunlight.
• Research & Development: Employed in academic and industrial R&D for developing new photostable materials and studying UV absorption mechanisms.

Basic Information

Product Name	2,2',4,4'-Tetrahydroxybenzophenone
CAS No.	131-55-5
Molecular Formula	C13H10O5
Molecular Weight	246.22 g/mol
Synonyms	2,2',4,4'-Tetrahydroxybenzophenone; Benzophenone-2; UV-0; 2,2',4,4'-Tetrahydroxybenzophenone; 4,4'-Dihydroxy-2,2'-dihydroxybenzophenone; THBP; 131-55-5; Bis(2,4-dihydroxyphenyl)methanone
EINECS	205-028-9

Quality Control

Our 2,2',4,4'-Tetrahydroxybenzophenone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your formulation 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 incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	195°C - 205°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.