Description

1-Methallyl-2-(2-Hydroxy-5-Methyl Phenyl) Benzotriazole is a specialized benzotriazole derivative that functions as a highly effective ultraviolet (UV) light absorber and stabilizer. Its core value lies in protecting polymers and coatings from photodegradation, thereby extending product lifespan and maintaining performance integrity. This compound is essential for formulators and manufacturers in the plastics, coatings, and specialty chemical industries who require advanced light stabilization solutions for high-performance materials.

Application

• Primary use as a UV light stabilizer in engineering plastics and polymers.
• Enhancing the photostability of automotive coatings, industrial paints, and wood finishes.
• Protecting polyolefins (e.g., PP, PE) and other polymers from yellowing and embrittlement.
• Formulation of high-performance adhesives and sealants requiring long-term outdoor durability.
• Use in agricultural films to extend service life under intense sunlight.
• Potential additive in cosmetic and personal care products for sunscreen formulations.
• Stabilizer for synthetic fibers and textiles to prevent UV-induced degradation.

Basic Information

Product Name	1-Methallyl-2-(2-Hydroxy-5-Methyl Phenyl) Benzotriazole
CAS No.	98809-58-6
Molecular Formula	C17H17N3O
Molecular Weight	279.34 g/mol
Synonyms	UV-360; 2-(2-Hydroxy-5-methylphenyl)-1-methallylbenzotriazole; 1-Methallyl-2-(2-hydroxy-5-methylphenyl)-1H-benzotriazole; 2-(2-Hydroxy-5-methylphenyl)-1-(2-methyl-2-propenyl)-1H-benzotriazole; Benzotriazole UV absorber 360; Light stabilizer 360; (2-Methylallyl)-2-(2-hydroxy-5-methylphenyl)benzotriazole
EINECS	Contact for details

Quality Control

Our production of 1-Methallyl-2-(2-Hydroxy-5-Methyl Phenyl) Benzotriazole adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and related substances, to meet exacting customer specifications. Certificates of Analysis (COA) documenting all critical quality attributes 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, 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 opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	128°C - 132°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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