2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole TCI H0716

Chemical Identity

CAS No.: 3147-75-9
PubChem: CID 62485·SID 87571084
Formula: C20H25N3O
Molecular weight: 323.44 g/mol
Purity: >98.0%(HPLC)(T)
Reference databases: ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
SMILES: CC(C)(C)CC(C)(C)C1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2
InChIKey: IYAZLDLPUNDVAG-UHFFFAOYSA-N
MDL: MDL00013338

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2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole is a chemical compound widely used as a photostabilizer in material science applications. This compound plays a crucial role in protecting materials from degradation caused by ultraviolet light exposure. Its ability to neutralize free radicals generated under light exposure makes it essential in maintaining the integrity of polymers and composite materials. In the laboratory, it is an important tool for testing material performance, developing new materials, and analyzing the chemical and physical properties of substances. Its stability under various conditions ensures reliable results in experimental settings.

The compound’s molecular structure allows for effective interaction with free radicals, making it a preferred choice for UV protection in both industrial and research settings. Its chemical and physical properties are stable, ensuring consistent performance across different experimental conditions. The compound is available in solid form and dissolves well in organic solvents, which enhances its versatility in laboratory applications. These characteristics make it a reliable and efficient material for use in a wide range of scientific investigations.

In Indonesian laboratories, 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole is commonly used in material and chemical research. It is a preferred choice for institutions and industries looking to develop durable, weather-resistant products. Its availability through reputable suppliers like TCI ensures accessibility for researchers and manufacturers aiming to improve the longevity and performance of materials. This compound supports innovation in the local scientific and industrial sectors.

TCI brochures (PDF)

Polymer Additives 2026-04-16 · p. 6

Related TCI products

UV Stabilization Testing: This compound is ideal for assessing the photostability of polymers and composites, helping to determine their resistance to UV degradation.
Material Development: It is used in the formulation of new materials to enhance their durability and resistance to environmental factors.
Chemical Property Analysis: Its stable nature allows for accurate analysis of material properties under various experimental conditions.
Polymer Additive Research: It serves as a key additive in polymer science, aiding in the creation of UV-resistant materials.
Environmental Stress Testing: It supports experiments that evaluate how materials perform under prolonged exposure to light and weathering.

Brand	TCI
CAS number	3147-75-9
Molecular formula	—
Purity	—
Category	Materials Science > Polymer/Macromolecule Reagents > Polymer Additives
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid
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 to maintain its stability and effectiveness. It is recommended to use airtight containers 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, to ensure laboratory safety. Avoid exposure to heat and direct light during storage to preserve its properties. Proper labeling and storage conditions are essential to maintain its quality and usability in laboratory applications. Always follow standard safety protocols when handling chemical substances to minimize risks and ensure a safe working environment.

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