White Crystal Powder Ultraviolet Absorbent Uv 234 High Melting Point CAS 70321 86 7

 

 

Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole

 

Product Name	Ultraviolet absorber UV 234
CAS number	70321-86-7
Molecular formula	C30H29N3O
Molecular weight	447.57
Appearance	clear liquid
Boiling point	589.3ºC at 760 mmHg
Relative density	1.12 g/cm3

Chemical structure :

Performance & Application :
UV-234 is a kind of yellowish powder, melting point is 139.5-141 ℃ , it is a fine light stabilizer, suitable for PP, TPE , hard PVC, POM, PA, PC, PBT/PET, PMMA,etc.

Technical Indicators :
Appearance: light yellow powder
Melting Point: ≥ 139.5-141 ℃
Volatile Matter: ≤ 0.5%
Ash Content: ≤ 0.05%
Purity: ≥ 99%
Transmissirity:

460nm≥ 97 %

500nm≥ 98%

 

Packing: 25kg paper drum or carton