Optical Brightener OB-1
C.I.:393 CAS NO.:1533-45-5
Appearance: Bright yellow green crystalline powder
Purity: ≥ 98.5%
Melting point: 355-360 ℃
Solubility: Insoluble in water, soluble in high boiling organic solvents such as benzene dichloride
Packaging: 25KG cardboard drum with double-layer plastic bag lining
Usage: Used for whitening polyester fibers and for whitening and brightening polyester cotton and other fiber blended fabrics.
