Ultraviolet absorber UV-328
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
| Name |
|
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol |
 |
| Molecular Structure |
|
 |
| |
| Molecular Formula |
|
C22H29N3O |
| Molecular Weight |
|
351.49 |
| CAS Registry Number |
|
25973-55-1 |
| EINECS |
|
247-384-8 |
| |
| Properties |
| |
| Melting point |
|
80-83 ºC |
| |
|
|
| Safety Data |
| |
| Hazard Symbols |
|
 Xi Details |
| Risk Codes |
|
R36/37/38 Details |
| Safety Description |
|
S26;S36 Details |
| MSDS |
|
Available |
Ultraviolet absorber UV-328
Chemical name:2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
Molecular formula:C22H29N3O
Structural formula:
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Properties:
Properties and application:It is a pale yellowish powder melting point 81
, soluble in benzene, toluene, ethyl acetate and petroleum ether, slightly soluble in ethyl alcohol and methyl alcohol insoluble in water.
It is a excellent ultraviolet absorbet, UV
max:345nm, solubility for polymer is good, volatility is little, mainly used for PE, PP,PS,PVC, poly ester and ABS resins, and so on.
Specifications:
|
Appearance
|
Light yellow powder
|
|
Melting point
|
≥81 |
|
Volatile matter
|
≤0.5%
|
|
Ash content
|
≤0.05%
|
|
Transmissirity
|
460nm≥97% 500nm≥98%
|
|
Purity
|
≥99%
|
Package: 25kg Carton
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol Basic information
| Product Name: |
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol |
| Synonyms: |
2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-Phenol;2-(2H-Benzotriazol-2-yl)-4,6-di-t;2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole;UV-328;2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol;UV ABSORBER UV-328;2-(2H-benzotriaziol-2-yl)-4,6-Di-Tert-Pentylphenol;ThasorbUv328 |
| CAS: |
25973-55-1 |
| MF: |
C22H29N3O |
| MW: |
351.49 |
| EINECS: |
247-384-8 |
| Product Categories: |
Industrial/Fine Chemicals;Polymer Additives;Polymer Science;Stabilizers |
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