2-[2-Hydroxy-5-[2-(methacryloyloxy)ethyl]phenyl]-2H-benzotriazole TCI H1261

Chemical Identity

CAS No.: 96478-09-0
PubChem: CID 726893·SID 87560547
Formula: C18H17N3O3
Molecular weight: 323.3 g/mol
Purity: >98.0%(GC)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-[3-(benzotriazol-2-yl)-4-hydroxyphenyl]ethyl 2-methylprop-2-enoate
SMILES: CC(=C)C(=O)OCCC1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2
InChIKey: VCYCUECVHJJFIQ-UHFFFAOYSA-N

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TCI H1261, also known as 2-[2-Hydroxy-5-[2-(methacryloyloxy)ethyl]phenyl]-2H-benzotriazole, is a specialized chemical compound used in material science laboratories. It belongs to the benzotriazole family and is primarily utilized as a monomer in polymer synthesis. This compound plays a crucial role in the development of UV-stabilized materials due to its ability to absorb harmful ultraviolet radiation. Its unique molecular structure enables it to integrate seamlessly into polymer chains, enhancing the stability and longevity of the final product.

One of the key properties that make this compound a preferred choice is its high reactivity and compatibility with various polymer systems. The presence of methacryloyloxy groups allows for efficient cross-linking during polymerization, resulting in materials with enhanced mechanical properties. Additionally, its molecular design ensures that it remains chemically stable under a wide range of processing conditions, making it ideal for both research and industrial applications. The compound’s ability to form strong covalent bonds with polymer matrices also contributes to its effectiveness in creating durable and high-performance materials.

In Indonesian laboratories, this compound is widely used in polymer research and development, particularly in the creation of UV-protective materials and composite substances. Its application is especially relevant in industries such as packaging, coatings, and protective films, where UV resistance is critical. Researchers in material science, chemistry, and engineering frequently rely on TCI H1261 for its reliability and consistent performance in synthesizing advanced polymer-based products.

TCI brochures (PDF)

Polymer Additives 2026-04-16 · p. 6
Monomers 2025-05-28 · p. 5

Related TCI products

UV-Stabilized Polymer Synthesis: This compound is ideal for creating polymers that resist degradation from ultraviolet light, making it essential in the development of durable materials for outdoor applications.
UV Protection in Packaging Industry: It is used in the formulation of protective coatings for packaging materials to prevent UV-induced degradation, ensuring product longevity and safety.
Composite Material Development: Its ability to integrate into polymer matrices makes it a valuable component in the creation of composite materials with enhanced mechanical and thermal properties.
Photopolymerization Research: The compound’s reactivity and compatibility with photoinitiators make it suitable for studies involving light-induced polymerization processes.
Coating Formulation for Industrial Use: It is incorporated into industrial coatings to provide UV resistance, enhancing the durability and performance of coated surfaces.

Brand	TCI
CAS number	96478-09-0
Molecular formula	—
Purity	—
Category	Materials Science > Polymer/Macromolecule Reagents > Monomers
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid, typically in powder or crystalline form
Storage	Store in a cool, dry place away from direct sunlight and moisture

This compound should be stored in a cool, dry environment to maintain its chemical integrity and prevent degradation. It is recommended to use airtight containers made of glass or high-density polyethylene to minimize exposure to moisture and contaminants. Due to its chemical nature, it should be handled with appropriate personal protective equipment, including gloves and safety goggles, to ensure laboratory safety. Avoid prolonged exposure to heat or direct sunlight, as these conditions can affect its stability. Proper labeling and storage in designated chemical cabinets are essential to prevent accidental use or contamination. Always follow standard laboratory safety protocols when handling and storing this material.

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