Dafeng Tiansheng Pharmaceutical Co., Ltd.(Dafeng Huashu Pharmaceutical Co., Ltd.)
Bulk drug
Intermediate
ODA
UV adsorbent
Photoinitiator
Antioxidant
Light stabiliser
UV-329
Category: benzotriazole
CAS No.: 3147-75-9
Chemical name: 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
Molecular formula: C20H25N3O
Molecular weight: 323.4
Structural formula:
Technical index:
appearance almost white powder
content(GC) 99.0%min
melting point 101~105℃
volatile matter 0.2%max
ash content 0.1%max
light transmittance 440nm 97%min
500nm 98%min
Application:

OCTASORB UV-329 is excellent benzotriazole ultraviolet absorbent. It is widely used in PE, PP, PS, PVC, polyester, epoxy resin, ABS resin and polypropylene fibre fields.

Packaging: 20kg fiber can or according to customer requirement
Storage: in seal, in dry and in dark
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