Light Yellow Powder UV326 - CAS 3896-11-5 from Reliable China Suppliers and Factory
Product Description
| Chemical Name | 2-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)-4-METHYLPHENOL | ||
| CAS Number | 3896-11-5 | ||
| Molecular Structure |
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| Product Form | Light yellow powder | ||
| Specifications | TEST | SPECIFICATION | |
| Assay (%) | 99.00 min | ||
| Melting Point (℃) | 137.00 – 142.00 | ||
| Volatiles (%) | 0.50 max | ||
| Ash (%) | 0.10 max | ||
| Transmittance (%) | |||
| 460 nm | 95.00 min | ||
| 500 nm | 96.00 min | ||
| Application |
Key Feature
Yihoo UV326 is a high-performance representative benzotriazole ultraviolet (UV) absorber, featuring stable chemical performance, low toxicity, and strong UV absorption capacity. It is widely applicable to a broad spectrum of fields including photographic materials (e.g., color films, color photographic papers) as well as polymer substrates and exterior protective coatings. |
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| Package | 20 kg / 25 kg carton | ||
Frequently Asked Questions
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Q What is Yihoo UV326 and what is its CAS number?Yihoo UV326 is the trade name for 2-T-Butyl-6-(5-Chloro-2H-Benzotriazol-2-yl)-4-Methylphenol, a high-performance benzotriazole UV absorber. Its CAS number is 3896-11-5.
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Q What physical form does UV326 come in, and what are its key specifications?UV326 is supplied as a light yellow powder. Key specifications include a minimum assay of 99.00%, a melting point range of 137–142 °C, maximum volatiles of 0.50%, maximum ash of 0.10%, and transmittance values of ≥95.00% at 460 nm and ≥96.00% at 500 nm.
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Q In which industries and applications is UV326 commonly used?UV326 is widely used in photographic materials such as color films and color photographic papers, as well as in polymer substrates and exterior protective coatings. Its strong UV absorption capacity makes it suitable for any application requiring light stability.
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Q How is UV326 packaged for shipping?UV326 is available in 20 kg or 25 kg cartons, making it convenient for both laboratory-scale and industrial-scale procurement.
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Q Is UV326 considered safe and low in toxicity?Yes. UV326 is characterized by stable chemical performance and low toxicity, which makes it a preferred UV absorber choice across various regulated industries including photographic and coating applications.
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Q What makes UV326 a high-performance UV absorber compared to other types?UV326 belongs to the benzotriazole class of UV absorbers, which are known for their excellent UV absorption efficiency across a broad wavelength range. Its high assay purity (≥99%), excellent transmittance values, and stable chemical structure ensure long-lasting UV protection in demanding environments such as outdoor coatings and photographic materials.