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| UV-328 |
| Category: |
benzotriazole |
| CAS No.: |
25973-55-1 |
| Chemical name: |
2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole; 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol; 2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole; UV-328; Tinuvin 328; Primesorb328; Ultraviolet absorbent UV-328; 2-(2'-Hydroxy-3',5'-di-tert-Pentyl Phenyl)-Benzotriazole; BHSORB-328; 2-(2'-Hydroxy-3',5-dipenryl-phenyl) benzotriazole; UV absorber-328; UV absorber UV-328; 2-(2H-benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol; Ultraviolet absorberUV-328; 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol; Ultraviolet absorber UV-328; UV 328; 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol |
| Molecular formula: |
C22H29N3O |
| Molecular weight: |
351.5 |
| Structural formula: |
 |
| Technical index: |
| appearance |
light yellow powder |
| content(GC) |
99.0%min |
| melting point |
78~82℃ |
| volatile matter |
0.2%max |
| ash content |
0.1%max |
| light transmittance |
460nm |
97%min |
| 550nm |
98%min |
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| Application: |
OCTASORB UV-328 is excellent benzotriazole ultraviolet absorbent. It is widely used in PE, PP, PS, PVC, polyester, epoxy resin, ABS resin and polypropylene fibre fields.
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| Packaging: |
20kg fiber can or according to customer requirement |
| Storage: |
in seal, in dry and in dark |
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