Product Name: OPTICAL BRIGHTENER OB-1
Chemical Name: 2,2-(4,4- Vinyl Biphenyl) Dual Benzoxazole
Formula: C28H18N2O2
CAS No.: 1533-45-5
Structural formula:

Application:
Suitable for polyester fiber (PSF), nylon fiber and chemical fiber whitening. Applicable to PP, PVC, ABS, PA, PS, PC, PBT plastic whitening brightening, with excellent whitening effect.Suitable for whitening agent concentrated masterbatch added (such as: LDPE color concentrate)
Appearance:yellowish green powder;
Content(weight) : 98.0% Min
Melting Point: 353-359℃;
Fineness: through 1000 meshes
Solubility: insoluble in water, but soluble in high boiling point organic solvent such as phenyl-chloride
Packing:
25KGS fiber drums within double PE bags;Or according to user requirements packaging