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Optical Brightening Agent OB-1

  • CAS No.: 1533-45-5
  • Purity: 99%
  • Min quantity: 1000 Metric Tons
  • Price: USD 12~17/Kilograms
  • Place of Orign: jinan,Shandong,China
Ms.crystal lee

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Item specifics

  • Product Name.:Optical Brightening Agent OB-1
  • CAS No: 1533-45-5
  • Weight: 414.46
  • Formula: C28H18N2O2
  • Melting Point: 357-359 ºC
  • Boiling Point: 566.8 °C at 760 mmHg
  • Density: 1.39 g/cm3 (25 C)

Details

Typical Properties:

Chemical name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole
Molecular weight: 414.4
CAS No.: 1533-45-5
C.I.: 393

Specifications:

Ash % 0.3max
Empirical Formula C28H18N2O2
Melting Point(DTA),C 353-359
Appearance Yellowish Green Powder
Odor Free of odor
Volatile Content % 0.3max
Assay % 99min
Particle Size 200 meshes

Application:

For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc.

Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g

Package:

25kg / fiber drum with PE liner
Optical Brightening Agent OB-1

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