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UV Absorber 329
Structure:
CHEMICAL NAME:2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
CAS No.: [3147-75-9]
Specification:
Appearance: White powder
Purity(GC): 99% Min.
Transmittance: 97% Min. (460nm) ; 98% Min. (500nm)
Melting Point: 101-106℃
Ash: 0.1% Max
Loss on drying: 0.5% Max
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