Product Name: Fluorescent brightener OB-1

CAS No.: 1533-45-5

Molecular formula: C₂₈H₁₈N₂O₂

Molecular weight: 414.4547

Structural formula:

Properties: Bright yellow crystalline powder; Melting point : 357-360°C; Purity: ≥98.50%; Maximum UV absorption wavelength: 374nm; Maximum UV absorption wavelength: 434nm

Uses: Used for the whitening of polyester dope, especially suitable for whitening of polyester fiber and polyester blended with cotton and whitening of other fabrics, can also be used in the whitening of plastic products.