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Fluorescent brightener OB-1

 
Chemical name:
 
  • 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
Structural formula:
 

CAS No.:
 
  • 1533-45-5
Molecular weight:
 
  • 414.4
Specifications:
 
  • Appearance: Yellowish green powder
  • Melting point:359-361°C
  • Ash: 0.1%max.
  • Volatile Content: 0.5%max
  • Particle Size: 500meshes
  • Assay: 98%
Application:
 
  • An optical brightener for plastics (PP, ABS, EVA, PS and PC) and Fiber(polyester fiber and PP fiber).
Packing:
 
  • 25kgs/fiber drum
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