Description

5-Butyl-1H-Benzotriazole is a versatile organic compound belonging to the benzotriazole class, known for its effective corrosion inhibition and UV stabilization properties. This chemical is crucial for protecting metals and polymers from degradation, thereby extending the service life of industrial materials and formulations. It is primarily sought after by manufacturers in the lubricant, coating, and polymer industries for its reliable performance as a multifunctional additive.

Application

• As a highly effective corrosion inhibitor in metalworking fluids, hydraulic fluids, and industrial lubricants.
• Functioning as a UV light stabilizer and antioxidant in polymer systems, including plastics and coatings.
• An essential additive in automotive coolants and antifreeze formulations to protect engine components.
• Used in the synthesis of more complex chemical intermediates for pharmaceutical and agrochemical applications.
• Employed as a copper corrosion inhibitor in cooling water treatment systems.
• An additive for fuel and oil to prevent oxidation and degradation under harsh operating conditions.

Basic Information

Product Name	5-Butyl-1H-Benzotriazole
CAS No.	3663-24-9
Molecular Formula	C₁₀H₁₃N₃
Molecular Weight	175.23 g/mol
Synonyms	5-Butylbenzotriazole; 5-n-Butyl-1H-benzotriazole; 1H-Benzotriazole, 5-butyl-; 5-Butyl-1,2,3-benzotriazole; Butyl benzotriazole; Corrosion Inhibitor BTA-Butyl; UV-328 (related stabilizer class)
EINECS	Contact for details

Quality Control

Our 5-Butyl-1H-Benzotriazole is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR spectroscopy, to ensure it meets precise specifications. Certificates of Analysis (COA) detailing all quality parameters are available upon request to support your quality assurance protocols.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	80 - 84 °C
Loss on Drying	≤ 0.5%

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