Description

2-(2H-Benzotriazol-2-Yl)-4-Dodecylphenol is a high-performance 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 appearance. It is an essential additive for manufacturers in the plastics, coatings, and synthetic materials industries seeking to enhance the durability of their products.

Application

• Primary UV absorber and light stabilizer for polyolefins (PP, PE), PVC, and engineering plastics.
• Protective additive in industrial coatings, automotive paints, and wood finishes to prevent yellowing and gloss loss.
• Stabilizing component in adhesives, sealants, and synthetic fibers to improve weatherability.
• Used in the formulation of agricultural films and greenhouse covers to extend service life under sunlight.
• Additive for packaging materials to protect contents from UV degradation.
• Stabilizer in cosmetic and personal care product packaging to maintain formulation integrity.

Basic Information

Product Name	2-(2H-Benzotriazol-2-Yl)-4-Dodecylphenol
CAS No.	3142-42-5
Molecular Formula	C24H33N3O
Molecular Weight	379.54 g/mol
Synonyms	2-(2H-Benzotriazol-2-yl)-4-dodecylphenol; Phenol, 2-(2H-benzotriazol-2-yl)-4-dodecyl-; UV-2337; Tinuvin 234; Dodecyl 2-(2H-benzotriazol-2-yl)phenol; 2-(2'-Hydroxy-5'-dodecylphenyl)benzotriazole; Lowilite 2337; BZT-DDP
EINECS	221-573-5

Quality Control

Our production of 2-(2H-Benzotriazol-2-Yl)-4-Dodecylphenol adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and specific impurity profiles is provided with every shipment to guarantee compliance with your technical requirements.

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 in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	87 - 92 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 1.5%

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