Product Name: Optical Brightener VBL
Formula: C36H34O8N12S2Na2
Molecular Weight: 872.84
CAS NO: 12224-06-5
Chemical Structure:
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.
Specifications:
Appearance | Light yellow powder |
Whiteness | Similar to standard |
Max absorption wave, nm | 348±1 |
Insolubility, % | 0.5 max. |
Fluorescence strength | 100 |
Applications:
Mainly used in paper industry and detergent industry.
Recommended use:
When used in paper industry, Firstly dissolved in 80 times water, then add into dry pulp or paint, the dosage is about 0.1-0.3% of the dry pulp or paint.
Packing: 25kg cardboard drum, inner plastic bag.
Transportation & Storage: Store in cool, dry and ventilated place, transport against non-dangerous chemicals.
Shelf life: 2 years.
