Description

2-(2H-Naphtho[1,2-D]Triazol-2-Yl)-4-(1,1,3,3-Tetramethylbutyl)Phenol is a high-performance, substituted benzotriazole derivative widely recognized for its exceptional light-stabilizing properties. This compound is critical for protecting polymers and coatings from the degrading effects of ultraviolet (UV) radiation, thereby extending product lifespan and maintaining aesthetic quality. It is an essential additive for manufacturers in the plastics, automotive, and industrial coatings sectors who require reliable, long-term UV protection for their materials.

Application

This UV absorber is designed for high-demand applications where material integrity under sunlight is paramount. Its primary and related uses include:

• Stabilizer for engineering plastics such as polycarbonate (PC), polyamide (PA), and thermoplastic polyurethane (TPU).
• UV protection in automotive coatings and interior plastic components to prevent fading, chalking, and loss of mechanical properties.
• Additive for industrial and architectural coatings, including powder coatings and coil coatings for metal substrates.
• Light stabilizer in agricultural films and greenhouse covers to enhance durability against solar exposure.
• Protective agent for adhesives, sealants, and synthetic fibers to improve weatherability.
• Component in stabilization packages for polyolefins (e.g., PP, HDPE) used in outdoor applications.

Basic Information

Product Name	2-(2H-Naphtho[1,2-D]Triazol-2-Yl)-4-(1,1,3,3-Tetramethylbutyl)Phenol
CAS No.	27876-55-7
Molecular Formula	C23H27N3O
Molecular Weight	361.48 g/mol
Synonyms	2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (related base structure); 2-(2H-Naphtho[1,2-d]triazol-2-yl)-4-tert-octylphenol; UV Absorber 27876-55-7; Phenol, 2-(2H-naphtho[1,2-d]triazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-; Light stabilizer 27876-55-7; Naphthotriazole UV absorber; 2-(2H-Naphtho[1,2-d]triazol-2-yl)-4-(tert-octyl)phenol
EINECS	Contact for details

Quality Control

Our production of 2-(2H-Naphtho[1,2-D]Triazol-2-Yl)-4-(1,1,3,3-Tetramethylbutyl)Phenol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. All material is manufactured and tested in facilities operating under ISO 9001 quality standards. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters, ensuring it meets the exacting requirements of polymer and coating formulations.

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 heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept sealed and opaque or stored in darkness to maintain efficacy.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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