Description

Octabenzone is a high-performance chemical compound widely recognized for its utility as a light stabilizer and ultraviolet (UV) absorber. Its primary value lies in protecting materials from photodegradation, thereby extending their functional lifespan and maintaining their structural integrity under prolonged light exposure. This product is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance the durability and performance of their formulations.

Application

Octabenzone is a versatile additive with key applications in:

• Polymer Stabilization: As a UV absorber in polyolefins (e.g., PP, PE), PVC, and other plastics to prevent yellowing and embrittlement.
• Coatings and Paints: To protect industrial and automotive coatings from fading and chalking caused by sunlight.
• Adhesives and Sealants: Enhancing the weatherability and long-term performance of adhesive formulations.
• Specialty Chemical Intermediates: Serving as a key building block in the synthesis of more complex light-stabilizing agents.
• Agricultural Films: Extending the service life of greenhouse and mulch films by blocking harmful UV radiation.

Basic Information

Product Name	Octabenzone
CAS No.	1843-05-6
Molecular Formula	C₂₁H₂₆O₃
Molecular Weight	326.43 g/mol
Synonyms	2-Hydroxy-4-(octyloxy)benzophenone; UV-531; Chisorb 81; Cyasorb UV 531; Uvinul 3008; Octabenzon; 4-Octyloxy-2-hydroxybenzophenone; Advastab 46
EINECS	217-421-2

Quality Control

Our Octabenzone is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, including testing against established in-house specifications. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is available for every batch upon request, supporting your quality and regulatory compliance 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 and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	47 - 49 °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.