Description

Phorwhite Reu CAS NO 82640-05-9 is a high-performance chemical compound widely utilized as a key intermediate and functional additive. Its unique structure provides excellent stability and performance in demanding formulations, making it a critical component for ensuring product quality and consistency. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and high-purity raw materials.

Application

• As a high-performance light stabilizer and UV absorber in polymer and plastic formulations.
• Critical intermediate in the synthesis of advanced organic compounds and specialty chemicals.
• Functional additive in industrial coatings and paints to enhance durability and weatherability.
• Component in adhesive and sealant systems to improve long-term performance.
• Used in the production of masterbatches for coloring and protecting engineering plastics.
• Additive for agricultural film to extend service life under sunlight exposure.

Basic Information

Product Name	Phorwhite Reu
CAS No.	82640-05-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phorwhite REU; 2,2'-(1,2-Ethanediyl)bis(4,1-phenylene)bisbenzoxazole; 1,4-Bis(benzoxazol-2-yl)benzene derivative; UV Absorber 82640-05-9; Optical Brightener 82640-05-9; 2,2'-(1,2-Ethanediyl)bis[5-(1,1-dimethylethyl)benzoxazole]; Bisbenzoxazole derivative
EINECS	Contact for details

Quality Control

Our Phorwhite Reu is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatographic and spectroscopic methods, to confirm identity and meet stringent specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	≤ 20 ppm

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