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5-butyl-1H-benzotriazole

April 23, 2026

🌿 5-butyl-1H-benzotriazole (CAS: 3663-24-9) 


🔬 Product Overview

5-Butyl-1H-benzotriazole, a functional derivative of benzotriazole, has gained increasing attention in industrial applications due to its excellent corrosion inhibition performance, particularly for copper and copper alloys. As industries continue to demand higher efficiency and longer service life for metal systems, this compound plays a vital role in protecting critical equipment and improving operational reliability.


📊 Specifications

Items Standard
Appearance Light brown or pale brown solid powder
Identification The HPLC retention time of the main peak should be consistent with that of the reference standard
The NMR spectrum should be consistent with that of the reference standard
Solubility Easily soluble in ethyl acetate
Purity ≥ 95.0%

🧩 Applications

One of the key strengths of 5-Butyl-1H-benzotriazole lies in its ability to form a stable and protective molecular film on metal surfaces, effectively preventing oxidation and corrosion. This makes it especially valuable in:

  • Industrial water treatment systems, where it protects pipelines and heat exchangers from scaling and corrosion
  • Automotive antifreeze and coolants, ensuring long-term protection of metal components under thermal stress
  • Lubricants and metalworking fluids, enhancing anti-corrosion performance and extending service life
  • Electronics and precision metal processing, where it prevents surface tarnishing and maintains material integrity

Its excellent compatibility and stability allow it to perform reliably even in demanding operating conditions.


📦 Packaging Options

The product is typically supplied in 25 kg fiber drums or cartons with inner polyethylene liners to ensure adequate protection during transportation and storage. For customers with specific requirements, customized packaging solutions are also available, providing flexibility for different logistics and application scenarios.


🏭 Storage Conditions

To maintain product stability and performance, it is recommended to store 5-Butyl-1H-benzotriazole in a cool, dry, and well-ventilated environment. The product should be kept in tightly sealed containers to avoid moisture absorption and contamination. Direct exposure to sunlight, heat, and humidity should be avoided, and contact with strong oxidizing agents should be prevented. Proper storage under ambient conditions will help ensure consistent quality over time.


📢 Why Choose Cesium Carbonate? 

    1. Customer-Oriented Approach
      Professional Technical Support
      Competitive Pricing
      Flexible Customization
      Extensive Industry Experience
      Reliable Quality Assurance

📞 Contact Us

📧 Product Manager:Cherry

Email: Cherry@coreychem.com

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