[Product name]: 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol
[Alias]: 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;
[CAS No.]: 25973-55-1
[EINECS No.]: 247-384-8
[Molecular formula]: C₂₂H₂₉N₃O
[Molecular weight]: 351.4852 Physical
[Physical property]: Appearance: Light yellow powder Content: ≥99% Melting point: ≥80°C Light transmittance: 460nm≥98% 500nm≥ 99% Volatiles: ≤0.3%
[Main uses]: suitable for polymers such as polyolefin (especially polyvinyl chloride), polyester, styrene, polyamide, polycarbonate, etc.
[Risk term]: R36/37/38: Irritating to eyes, respiratory system and skin.
[Safety term]: S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36: Wear suitable protective clothing.