Optical brightener (OB-1)
Commodity: Optical brightener (OB-1)
CAS#: 1533-45-5
Molecular Formula： C28H18N2O2
Weight：：414.45
Structural Formular：
Uses: This product is suitable for whitening and brightening of PVC, PE, PP, ABS, PC, PA and other plastics. It has low dosage, strong adaptability and good dispersion. The product has extremely low toxicity and can be used for whitening plastic for food packaging and children’s toys.
Specifications ：
|
Item |
Standard |
|
Appearance |
Yellowish green crystal powder or Yellowish crystal powder |
|
Melting point |
357-361℃ |
|
Purity |
≥98.5% |
|
Color shade |
Blue |
|
Fineness |
≥300mesh |
|
Water-fast content |
≤0.5% |
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