Description

Bis-[2-Hydroxy-5-Methyl-3-(Benzotriazol-2-Yl)-Phenyl]-Methane is a high-performance, phenolic benzotriazole derivative widely recognized for its exceptional light stabilization properties. This compound is critical for protecting polymers and coatings from UV-induced degradation, thereby extending product lifespan and maintaining aesthetic quality. It is an essential additive for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance the durability of their formulations.

Application

• Primary use as a highly effective ultraviolet (UV) light absorber and stabilizer in polymer systems.
• Protection of engineering plastics (e.g., polycarbonate, polyamide, PET) against yellowing and loss of mechanical strength.
• Enhancing the weatherability and color retention of automotive coatings, industrial paints, and wood finishes.
• Stabilization of adhesives, sealants, and films exposed to outdoor conditions.
• Formulation additive for high-end cosmetic and personal care products requiring UV protection.
• Potential use in specialty applications such as optical materials and advanced composite resins.

Basic Information

Product Name	Bis-[2-Hydroxy-5-Methyl-3-(Benzotriazol-2-Yl)-Phenyl]-Methane
CAS No.	30653-05-5
Molecular Formula	C27H22N6O2
Molecular Weight	462.50 g/mol
Synonyms	2,2'-Methylenebis(6-(2H-benzotriazol-2-yl)-4-methylphenol); Lowilite 36; UV-360; 2,2'-Methylenebis[6-(2H-benzotriazol-2-yl)-4-methylphenol]; Bis(2-hydroxy-3-benzotriazol-5-yl-5-methylphenyl)methane; Phenol, 2,2'-methylenebis[6-(2H-benzotriazol-2-yl)-4-methyl-; Light Stabilizer 360
EINECS	Contact for details

Quality Control

Our production of Bis-[2-Hydroxy-5-Methyl-3-(Benzotriazol-2-Yl)-Phenyl]-Methane adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product is manufactured and tested in facilities operating under ISO 9001 quality standards. Comprehensive analytical testing, including HPLC for assay and related substances, is performed. A Certificate of Analysis (COA) detailing all specification results 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 a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.5%
Melting Point	195 - 205 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
UV Absorption	Conforms

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