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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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