Molecular Formula: C40H38N12O8S2Na2

　　Molecular Weight: 924.93

　　Max UV Absorption Spectrum: 350nm

　　Appearance: Fine white or light yellow powder

　　Strength: 100

　　Shade: blue, with slight violet

　　Whiteness:≤-3.0

　　Water insoluble substances,%:≤0.5

　　Properties: Anionic type fluorescent brightener. Fine white or light yellow powder. Very soluble in hot water, less soluble in cold water. Optimum PH 6.5-8. Avoid hard water, heavy metal ions, ionic surfactants and oxidants.

　　Uses: Suitable for cellulose, polyvinyl alcohol fabrics and detergent.

　　Packing: Iron or paper drum with plastic lining, net weight 25Kg or 50Kg Further packaging customizable.

　　Storage: This product shall be kept well closed in a cool, dry, ventilated place, Avoid moisture and direct sunlight.