Optical Brightening Agent OB-1

• Product NameOptical Brightening Agent OB-1
  CAS No.1533-45-5
  Purity99%
  Min Quantity1000Metric Tons
  Price12~17
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  Molecular Structure

Detailed Description

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
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• Optical Brightening Agent OB-1