Product Name: Optical Brightener VBL
Synonyms: OBA solid VBL
Formula: C36H34O8N12S2Na2
Molecular Weight: 872.84
CAS NO: 12224-06-5
Descriptions:
Optical Brightener VBL is typical product of Twin Ammine Triazine. It can be dissolved in 80 times soft water and show anion character, the PH resistance value is 6-11, Expected dyeing bath PH value is 8-9. When used in acidic solution with the increasing of acid, optical will be weaker and turn into yellow. it can resist 300ppm hard water, resist 0.25% ionic chloride, but don¡¯t resist the ion of Copper and Iron, it is stable with Sodium Hydrosulfite ,but can not be baked in high temperature. It can be used with anion and non-ion surfacants dyes and hydrogen peroxide. It has blue optical color.