Description

Bis(Benzophenone-2-Carboxylic Acid) Polyethylene Glycol Ester is a specialized, high-purity chemical intermediate designed for advanced formulation chemistry. This compound matters for its role as a versatile building block, enabling the synthesis of performance materials with tailored properties. It is primarily needed by R&D and production teams in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise molecular architecture.

Application

• As a key intermediate in the synthesis of advanced UV-absorbing polymers and coatings.
• In the development of specialty photoinitiators for UV-curable inks, adhesives, and resins.
• For research into functionalized polyethylene glycol (PEG) derivatives used in drug delivery systems and bioconjugation.
• As a building block in organic synthesis for creating complex benzophenone-based molecules.
• In the formulation of high-performance additives for plastics and elastomers to enhance light stability.
• For academic and industrial R&D exploring novel materials with specific light-interaction properties.

Basic Information

Product Name	Bis(Benzophenone-2-Carboxylic Acid) Polyethylene Glycol Ester
CAS No.	1246194-73-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(ethylene glycol) bis(2-benzoylbenzoate); PEGylated Benzophenone-2-Carboxylic Acid Diester; 2-Benzoylbenzoic Acid Polyethylene Glycol Diester; Benzophenone-2-Carboxylic Acid PEG Ester; Bis(2-benzoylbenzoyl) PEG; Polyoxyethylene Bis(Benzophenone-2-Carboxylate); Light Absorber Intermediate PEG Ester
EINECS	Contact for details

Quality Control

Our Bis(Benzophenone-2-Carboxylic Acid) Polyethylene Glycol Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key 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, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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