Overview

Chemical Name: 2-(6-Hydroxy-1,3-benzodioxol-5-yl)-2H-benzotriazole-5-ethanol
CAS Number: 1246370-48-8
Molecular Formula: C15H13N3O4
Molecular Weight: 295.28 g/mol
Appearance: Typically, light yellow to off-white crystalline powder.
Solubility: Soluble in polar organic solvents such as methanol, ethanol, and dimethyl sulfoxide (DMSO); limited solubility in water
Chemical Structure Features:

• Contains a benzotriazole core, known for UV-absorbing and stabilizing properties
• Hydroxy and benzodioxol moieties enhance photostability and chemical reactivity
• Ethanol functional group contributes to hydrogen-bonding interactions and solubility in organic media

Properties

• UV Absorption: The benzotriazole ring system allows strong absorption of ultraviolet (UV) light, making it an effective UV stabilizer.
• Photostability: Exhibits high resistance to photodegradation due to conjugated aromatic structures, protecting sensitive materials from UV-induced damage.
• Thermal Stability: Stable under moderate thermal conditions, suitable for processing in electronic materials manufacturing.
• Reactivity: Hydroxyl groups allow for chemical modifications or incorporation into polymer matrices.

Industrial Applications

1. Semiconductor Industry

• Serves as an additive in semiconductor fabrication chemicals to protect photoresists and polymer coatings from UV-induced degradation.
• Enhances durability and shelf life of photoresist materials used in lithography processes.

2. Photoresist Industry

• Functions as a UV stabilizer in positive and negative photoresists, ensuring high resolution and precise patterning in microelectronics.
• Reduces defect formation in fine-line lithography by preventing premature polymer breakdown under UV exposure.

3. Electronic Chemicals

• Incorporated in specialty electronic chemicals for coatings and encapsulants to improve long-term stability against light and heat.
• Plays a role in prolonging the operational life of electronic components by mitigating photo-oxidation.

Summary

2-(6-Hydroxy-1,3-benzodioxol-5-yl)-2H-benzotriazole-5-ethanol is a specialized UV-absorbing compound widely utilized in the semiconductor, photoresist, and electronic chemical industries. Its chemical structure provides excellent photostability and UV protection, making it essential for high-precision manufacturing processes where light-sensitive materials must maintain performance and longevity.

Product:1246370-48-8, Semiconductor Photoresist, Electronic Chemicals