benzotriazole uv absorber for pvc 1.UV Absorber 326 2.Assay (GC): 99%min 3.Transmittance: 460nm 93.0% min 500nm 96.0% min

benzotriazole uv absorber for pvc

 

 

1.Product name

Chemical Name: 2-(2’-Hydroxy-3’-Tert-Butyl-5’-Methylphenyl)-5-Chlorobenzotriazole

Product Name: UV Absorber 326             

CAS Number: 3896-11-5

Molecular Formula: C17H18 ClN3O

Molecular Weight: 315.80

Structure:

 

       

  

2. Specifications

  

Appearance: Light Yellow Powder

Assay (GC): 99% min

Melting Point: 137°C -142°C

Volatile: 0.5% max

Ash: 0.1% max

Transmittance: 460nm   93.0% min

             500nm   96.0% min

 

3. Storage and Transport

Keep container tightly closed. Avoid ingestion and inhalation

 

4. Packing

25KG Drum or as customers’ requirements

benzotriazole uv absorber for pvc