Description

Visible Light Absorber 683 is a specialized organic compound designed to absorb specific wavelengths within the visible light spectrum. This property is critical for protecting sensitive materials from photodegradation, enhancing product longevity and performance stability. It is an essential additive for industries requiring precise light management, such as advanced polymer manufacturing, optical films, and protective coatings.

Application

• Stabilizer in high-performance engineering plastics and polymers to prevent yellowing and embrittlement caused by visible light exposure.
• Key component in the formulation of UV/Visible light protective coatings for automotive, aerospace, and architectural applications.
• Additive for optical films and display components to improve color fidelity and long-term durability.
• Used in specialty inks and dyes to enhance lightfastness and prevent fading.
• Formulation agent in advanced packaging materials to protect contents from light-induced degradation.
• Research and development of novel photostable materials and light-harvesting systems.

Basic Information

Product Name	Visible Light Absorber 683
CAS No.	1526918-65-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Light Absorber 683; VLA 683; Visible Light Stabilizer 683; Photostabilizer 683; Benzotriazole derivative (light absorber); Optical Brightener quencher; CAS 1526918-65-9
EINECS	Contact for details

Quality Control

Our Visible Light Absorber 683 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with relevant industry specifications. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment.

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. The product is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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