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CAS#: 14516-71-3
CAS#: -
CAS#: 70321-86-7
CAS#: 3147-75-9
CAS#: 103597-45-1
UV Absorber 329
UV-329 is a highly efficient UV absorber, primarily active within the 270–340 nm range. It has minimal impact on visible light, making it especially suitable for colorless transparent and light-colored products.
Category： UV absorber
Product Details
| Product Name | UV Absorber 329 | |
| Chemical Name | 2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole | |
| CAS No. | 3147-75-9 | |
| Molecular Weight | 323 | |
| Structural Formula | ||
| Appearance | white powder | |
| Melting Point | 101-106℃ | |
| TGA（ ℃ mass loss) | 180 | 1% |
| 220 | 5% | |
| Solubility（25℃ g/100g solvent） | Water | <0.01 |
| Ethyl acetate | 15 | |
| Benzene | 32 | |
| Acetone | 9 | |
| n-Hexane | 6 | |
| Methanol | 0.6 | |
| Chloroform | 37 | |
| Cyclohexane | 15 | |
| Characteristics | UV-329 is a highly efficient UV absorber, primarily active within the 270–340 nm range. It has minimal impact on visible light, making it especially suitable for colorless transparent and light-colored products. UV-329 is approved for use in plastic products intended for food contact, complying with relevant international food safety standards. | |
| Applications | PVC,PC,PVB,POM,PMMA,PC/ABS | |
Application
Keywords： UV Absorber 329
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Xiangyang Yuchang Fine Chemical Co., Ltd.
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Tel:+86-(0)710-2217188 / 2217 699
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