GoyenchemUV-328 Benzotriazole UV Absorber

Benzotriazole UV Absorber
300-400nm Wavelength
Excellent Solubility
Anti-yellowing
Prevent from Brittle and Chapping

GO YEN Chemical Industrial (GYC Group) is in the leading position of fine chemicals in Asia,

with our professional & strong R&D capacity, that have already exported to more than forty countries in five continents.

Chemical Name:2-(2’-hydroxy-3’,5’-di-t-amylphenyl)benzotriazole

Molecular Weight: 351.5

CAS NO: 25973-55-1

    Specification

Appearance
 

Pale light yellowish powder

Melting point
 

80-88°C

Clarity of solution (10g/100ml Toluene)
 

Clear

Color of solution (5g/100ml Toluene)

 (Transmission)

460nm 97.0% min

500nm 98.0% min

590nm 99.0% min

Specific Gravity (at 20°C)
 

1.17

Loss on drying
 

0.3% max

Assay (by GC)
 

99.0% min

Ash
 

0.1% max

    Solubility  (g in 100 ml solvent, 20°C)

Acetone
 

   6  

Methanol
 

  16

Chloroform
 

  44

n-Hexane
 

  16

Ethylacetate  
 

  16

     Advantage           GoyenchemUV-328 Benzotriazole UV Absorber

    Benzotriazole UV Absorber
    300-400nm Wavelength
    It can be used in high polymer
    Excellent Solubility
    Anti-yellowing
    Prevent from Brittle and Chapping