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optical brightener OB

  • CAS No.: 7128-64-5;12224-40-7
  • Purity: 99%
  • Min quantity: 100 Metric Tons
  • Price: USD 19~22/Kilograms
  • Place of Orign: jinan,Shandong,China
Ms.crystal lee

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Item specifics

  • Product Name.:optical brightener OB
  • CAS No: 7128-64-5;12224-40-7
  • Weight: 430.56184
  • Formula: C26H26N2O2S
  • Melting Point: 196-202 °C
  • Density: 1.26

Details

Typical Properties:

Chemical Name: 2,2-(2,5-Thiophenediyl) Bis[5-(1,1-dimethylethy)]
Benzoxazole
Molecular Formula: C26H26N2O2S
Molecular Weight: 430

CAS No.: 7128-64-5
C.I.: 184

Specifications:

Appearance: Yellowish or yellowish green crystal powder
Assay: 99% min.
Melting Point: 196-203
Ash: 0.3% max.
Volatile Content: 0.3%max.
Particle size: 200 meshes
Max. Absorption Wavelength: 375nm(in ethanol)

Application:

It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA, PE,PP, Paint, coating, printing ink and so on.

Packing:

25kg / fiber drum with PE liner
optical brightener OB

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