2-(5-Chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol TCI H0559

Chemical Identity

Other names: 2-(2-Hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole
CAS No.: 3896-11-5
PubChem: CID 62531·SID 87570946
Formula: C17H18ClN3O
Molecular weight: 315.80 g/mol
Purity: >98.0%(GC)
Reference databases: ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-tert-butyl-6-(5-chlorobenzotriazol-2-yl)-4-methylphenol
SMILES: CC1=CC(=C(C(=C1)N2N=C3C=CC(=CC3=N2)Cl)O)C(C)(C)C
InChIKey: OCWYEMOEOGEQAN-UHFFFAOYSA-N
MDL: MDL00059707

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2-(5-Chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol is a chemical compound widely used as a polymer additive in laboratory settings. It serves as a UV stabilizer, playing a critical role in protecting polymers from degradation caused by exposure to ultraviolet light. This compound is essential in the development of materials that require long-term durability and resistance to environmental factors. In the laboratory, it is commonly used to test the effectiveness of UV protection in various polymer formulations. Its presence ensures that materials maintain their structural integrity and functional properties over time.

The compound is favored for its excellent chemical stability, good solubility in organic solvents, and efficient UV absorption capabilities. These properties make it a reliable choice for formulating UV protective agents in polymer-based products. Its molecular structure allows for strong interactions with different types of polymers, enhancing its effectiveness across a range of applications. Additionally, its stability under various conditions ensures consistent performance, making it a preferred material for both research and industrial applications.

In Indonesian laboratories, this compound is extensively used in polymer research and development. It is a key component in studies related to material science and chemical engineering. Researchers often use it to evaluate the performance of UV stabilizers in different environmental conditions. Its versatility and effectiveness make it an important tool for advancing polymer technology and improving material longevity.

TCI brochures (PDF)

Polymer Additives 2026-04-16 · p. 6

Related TCI products

UV Stabilizer Testing – This compound is ideal for assessing the effectiveness of UV protection in polymer formulations, ensuring materials remain durable under sunlight exposure.
Polymer Formulation Development – Its ability to interact with various polymers makes it a valuable additive in creating stable and long-lasting materials.
Material Durability Studies – It is used to evaluate how well materials resist degradation, especially in outdoor or harsh environments.
Environmental Stress Testing – Its UV absorption properties help simulate real-world conditions to test material resilience.
Chemical Compatibility Analysis – It is used to determine how well different polymers interact with UV stabilizers in various applications.

Brand	TCI
CAS number	3896-11-5
Molecular formula	—
Purity	—
Category	Materials Science > Polymer/Macromolecule Reagents > Polymer Additives
Pack sizes	Available in standard laboratory quantities
Physical form	Solid powder
Storage	Store in a cool, dry place away from direct sunlight

This compound should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to keep it in a sealed container to prevent moisture absorption and contamination. Due to its chemical nature, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles. Avoid inhalation of dust particles during handling. Ensure proper ventilation in the workspace to minimize exposure. The compound is not flammable but should be stored separately from incompatible materials to maintain safety standards in the laboratory.

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