紫外线吸收剂
产品名称 紫外线吸收剂 UV-326 UV Absorber UV-326
化学名称 2-(2'-羟基-3'-叔丁基–5'-甲基苯基)-5 -氯代苯并三唑
Chemical Name 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
CAS NO. 3896-11-5
分子式
Empirical Formula C17H18N3OCL
分子量
Molecular Weight 315.80
化学结构图
Structure
质量指标Specification 外 观
Appearance 浅黄色粉末
slight yellow powder
透光率
Light transmittance 460nm 97.5%min
500nm 98.0%min
挥发分
volatile
≤0.3%
灰分
Ash ≤0.05%
熔点
Melting Range 138～142℃
含量
Assay
≥99%
失重率
Mass loss
毒性
用途
Application 白黄色粉末/颗粒，性能稳定，毒性低、紫外线吸收能力强，可广泛用于感光材料如彩色胶卷、彩色胶片、彩色相纸和高分子聚合物、外防护图层和其他许多领域。
储存
Storage 避免阳，光高，潮湿，避免含硫或含卤族元素的光稳定剂。需要在密封干燥避光条件下储藏保存。This product may be stored for one year in a sealed container. Containers should be stored in a cool, dry area. Extended storage at elevated temperatures or exposure to direct heat or sunlight could reduce product life. Keep containers sealed when not in use.
包装
Packing 纸板桶内衬塑料袋， 25公斤/桶。
25kg carton or as customer’s requirements
