0102030405
UV Absorber 326 2-(3-Tert-Butyl-2-Hydroxy-5-Methylphenyl)-5-Chloro-2H-benzotriazole CAS 3896-11-5
Features
Melting point: 144-147 °C (lit.)
Boiling point: 460.4±55.0 °C
Density: 1.26±0.1 g/cm³
Vapor pressure: 0Pa at 20℃
Storage temp.: Sealed in dry, Room Temperature
Solubility: Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
pKa: 9.31±0.48
Form: Solid
Color: Pale Yellow to Light Yellow
Water Solubility: 4μg/L at 20℃
Specification
Items |
Specifications | |
| Appearance | Light yellow to Yellow powder to crystal |
|
| Purity(GC) | min. 98.0 % |
|
| Melting point | 140.0 to 143.0 °C |
|
Solubility in Toluene |
within almost transparency |
|
Products Usage
2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol (UV-326) is a benzotriazole based UV absorber that can be used in the photostabilization of industrial materials. It can absorb the harmful UV radiation for the wavelength of about 290 nm.
Package And Storage
Package:
25kg/carton drum or as your requirements.
Remark: Chemical composition and size can be optimized by the customers' requirements

Storage:
Keep container closed. Store in a dry place. Do not store at elevated temperatures. Keep from freezing. Do not reuse empty container.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.




