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Fluorescence Whitener
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Fluorescence Whitener BC

[Subordinate Classification:Fluorescence Whitener] [Release Time:2012-11-23] [Reading Times:] [Return]
Fluorescence Whitener BC
C. I. NO. 204
CAS#: 76482-77-4
Molecular formula:C32H26O6N12S2Na2

Quality Index:
Item
Index
Appearance
Straw yellow even powder.
Fluorescence whitening intensity, cent (standard products)
100
Color light
Close to that of standard product.
Moisture, % ≤
5
Water-insoluble % ≤
0.5
Fineness (residuum through screen with 200um aperture) (%)
10

Performance:
Fluorescence Whitener BC, a common fluorescence whitener, is soluble in water with blue fluorescence, belonging to anion. It has higher water solubility and lower fluorescence intensity than that of VBL, acid and alkali resistance PH=5-11, dye solution PH 8-9. Resist hard water to 300ppm and free chlorine to 0.25%; not resist copper, iron ions, or high temperature; stable to rongalite. It can be mixed with anion, non ionic surfactant or coloring agent hydrogen peroxide. It is not suitable for mixing with cationic surfactant or synthetic resin pre-polymer.
  1. It is used in the whitening of rayon, cotton fiber, and artificial cotton, and the brightening of light colored fabrics.
  2. Used in whitening of paper and detergent.
  3. Suitable for adding in the white discharge printing pulp.
Package, storage, and transport:
  Carton pail; net weight: 25kg; or packaging according to clients’ demand. Keep from sunshine, dampness; two years valid period.