Original
By certification 
| Trade Name | Ultraviolet Absorbent UV-234 | 
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| Chemical Name | 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenyl ethyl)phenol | |
| CAS NO. | 70321-86-7 | |
| Structural Formula |
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| Appearance | Light yellow powder | |
| Melting Point | ≥139.5 -141°C | |
| Volatile | ≤0.5% | |
| Ash | ≤0.05% | |
| Content | ≥99% | |
| Transmittance | 460nm≥97% ; 500nm≥98% | |
| Package | 25kg cardboard drum | |
| Application & Usage | UV -234 is a high molecular weight and low volatile ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting outstanding light stability to a variety of polymers during its use. | |
